Help page for citation templates
This page in a nutshell: This is an introductory how-to for Wikipedia's most frequently used citation style. It does not cover every option of every citation template. See individual templates' documentation (e.g. at Template:Cite journal) for details beyond this basic cheatsheet. This help page has testcases demonstrating various uses.Citation Style 1 (CS1) is a collection of reference citation templates that can be modified to create different styles for different referenced materials. Its purpose is to provide a set of default formats for references on Wikipedia. It includes a series of templates that in turn use Module:Citation/CS1.
The use of CS1 or of templates is not compulsory, per WP:CITESTYLE. Articles already using a consistent style should not be changed without consensus on the talk page, per WP:CITEVAR.
CS1 uses (in addition to Wikipedia's own Manual of Style) elements of The Chicago Manual of Style and the Publication Manual of the American Psychological Association, with significant adaptations.
There are a number of templates that use a name starting with cite; many were developed independently of CS1 and are not compliant with the CS1 style. There are also a number of templates that use one of the general use templates as a meta-template to cite a specific source.
To be compliant with CS1, a template must:
CS1 templates present a citation generally as:
(where "n.d." could also be any other valid date formatted per the MOS)
You can add authors to a citation by placing their first and last name into the template's parameters. To add a single author, use |last= and |first=. If a cited source has multiple authors, use |last2= and |first2=, |last3= and |first3=, etc.[1] For symmetry with the other numbered parameters, |last1= and |first1= are available as well, as shown in the following example:
{{cite book |last1=Hawking |first1=Stephen |last2=Hawking |first2=Lucy |title=George's Secret Key to the Universe}}In situations where "first" and "last" do not fit the authorship of the source you can use |author= and |authorn=.[2] An editor may be cited using separate parameters for the editor's last and first name. A single or first editor would use |editor-last= and |editor-first=; subsequent editors would use |editor2-last= and |editor2-first=, |editor3-last= and |editor3-first=, etc.[1] Similar to the |author= parameter, you can cite editors using |editor= and |editorn=. Both author and editor parameters can be used in a citation to a source that has multiple sections by different authors.
By default, the templates will use the author parameters to create link anchors for shortened footnotes. If an author parameter is not used, the template will render the editor in the author location and use the editors for shortened footnotes. If neither author nor editor parameters are used, the template will not automatically create an anchor for shortened footnotes.
If the cited source does not credit an author, as is common with newswire reports, press releases or company websites use: |author=<!--Not stated-->[3]
Citation
Source
CS1 markup CS1 output Short citation Author and editor, using last names{{cite book |title=Title |chapter=Chapter |last=Last |first=First |editor-first=Editor-First |editor-last=Editor‐Last |date=1999}} Last, First (1999). "Chapter". In Editor‐Last, Editor-First (ed.). Title. Last 1999 Author and editor {{cite book |title=Title |chapter=Chapter |author=Author |editor=Editor |date=1999}} Author (1999). "Chapter". In Editor (ed.). Title. Author 1999 Author only {{cite book |title=Title |author=Author |date=1998}} Author (1998). Title. Author 1998 Editor but no author {{cite book |title=Title |editor=Editor |date=1999}} Editor, ed. (1999). Title. Editor 1999 Neither {{cite book |title=Title |author=<!--Not stated--> |date=1999 |ref={{sfnref|''Title''|1999}}}} Title. 1999. Title 1999
The year or the full date can be placed in the |date= parameter. Available formats are shown in the "Acceptable date formats" table of the Manual of Style/Dates and numbers § Dates, months and years. For an approximate year, precede with "c. ", like this: |date=c. 1900. When a source does not have a publication date, use |date=n.d.. In the case where the same author has written more than one work in the same year, a lower-case letter may be appended to the year in the date parameter (|date=July 4, 1997b) or the year parameter (|year=1997b).
Citation Style 1 and 2 templates automatically render dates in the style specified by the article's {{use dmy dates}} or {{use mdy dates}} template. See those templates' documentation for details.
Citation Style 1 and 2 templates automatically render dates (|date=, |access-date=, |archive-date=, etc.) in the style specified by the article's {{use dmy dates}} or {{use mdy dates}} template. Editors may also choose how CS1/CS2 templates render dates by the use of |cs1-dates=<keyword> in the article's {{use xxx dates}} template.
|cs1-dates= keywords Keyword Definition l long-form publication and access- / archive-dates;
|cs1-dates= is omitted or empty ll ls long-form publication dates; abbreviated access- / archive-dates ly long-form publication dates; year-initial numeric access- / archive-dates (ymd) s abbreviated publication and access- / archive-dates ss sy abbreviated publication dates; year-initial numeric access- / archive-dates (ymd) y year-initial numeric publication, access- and archive-dates (ymd);
yy
Example: to have the CS1/CS2 templates in an article render their publication dates in the long form (fully spelled-out month names) with access-/archive-dates rendered in short form (abbreviated month names), write:
{{use dmy dates|date=July 2025|cs1-dates=ls}}
This documentation page has {{use dmy dates|date=July 2025|cs1-dates=y}} at the top of this section so this cs1 template will render with ymd dates:
{{cite web |title=Example Webpage |date=31 October 2017 |website=Example |url=https://example.com/ |access-date=Dec 5, 2017}}
This global setting may be overridden in individual CS1/CS2 templates by use of |df=; abbreviated date forms are not supported by |df=.
Nota bene: CS1/CS2 auto-date formatting does not apply when previewing an article section that does not contain a {{use xxx dates}} template.
{{cite press release}} and cited articles in {{cite news}}, {{cite journal}}, {{cite magazine}}, {{cite web}}, {{cite conference}}, and {{cite podcast}}, where the title is shown in quotation marks. For templates like these that show the title in quotation marks, any double quotation marks inside the title should be converted to single quotation marks. Use title case (as defined by MOS:TITLECAPS) unless the cited source covers a scientific, legal or other technical topic and sentence case is the predominant style in journals on that topic. Use either title case or sentence case consistently throughout the article. Do not omit a leading "The" from the title. Subtitles are typically separated from titles with ": " though " – " is also used. As with trademarks, Wikipedia does not attempt to emulate any stylistic flourishes used by the cited source's publisher, such as ALL-CAPS, all-lower-case, Small Caps, etc.; use either standard title case or sentence case consistently. If the cited source is itself notable and has a Wikipedia article, the title can be wikilinked. Wikilinking the title will make it impossible to use the "url" parameter to link to an external copy of the cited source, so only do this when citing works that do not need to be externally linked. A link to the actual source is preferred to a link to a Wikipedia article about the source.|script-title=ar:العربية. Unrecognized codes are ignored and will display in the rendered citation.|url= if used.|at=Featured News|script-chapter=ar:العربية. Unrecognized codes are ignored and will display in the rendered citation. This field will be displayed following the transliterated title.Titles containing certain characters will both display and link incorrectly unless those characters are replaced or encoded like this:
Character Must be replaced with newline space [ [ ] ] | | |script-<param>= language codes[edit]Language codes known to cs1|2 for languages that do not use a Latin script are:
|language=ru; |lang=fr, pt-br; |lang=Russian; |language=French, Portuguese. See the list of supported codes and names. Do not use templates or wikilinks. Displays in parentheses with "in" before the language name or names. When the only source language is English, no language is displayed in the citation. The use of languages recognized by the citation module adds the page to the appropriate subcategory of Category:CS1 foreign language sources. Because cs1|2 templates are often copied from en.wiki to other wikis, the use of language codes is preferred so that language names render in the correct language and form, e.g. espagnol at a French-language wiki instead of the English word "Spanish". Aliases: lang<title> of the homepage, which may appear as the page title in your browser tab, depending on browser). Do not append ".com" or the like if the site's actual title does not include it (thus |work=[[Salon (magazine)|Salon]], not Salon.com). If no clear title can be identified, or the title explicitly is the domain name, then use the site's domain name. Do not falsify the work's name by adding descriptive verbiage like "Website of [Publisher]" or "[Publisher]'s Homepage". Capitalize for reading clarity, and omit "www.", e.g. convert "www.veterinaryresourcesuk.com" to "VeterinaryResourcesUK.com".
|chapter=|title=|volume=|series= in {{Cite book}}. If the nature of the work and its relation to the site, book, or other context in which it is found is complicated or confusing, simply explain the situation after the citation template and before the </ref> that closes the citation.
|work=[[Amazon.com]]|publisher=Amazon Inc.
|newspaper=The Aberdeen Times|publisher=The Aberdeen Times
|newspaper=[[The New York Times]]|publisher=The New York Times Company
|newspaper=[[USA Today]]|publisher=[[Gannett Company]]
|journal=[[Nature (journal)|Nature]]|publisher=[[Nature Research]]
|publisher= in such a case, but some printed style guides suggest "author", while many Wikipedia editors have used "self-published" for increased clarity. When an exhaustive attempt to discover the name of the publisher (try whois for websites, and WorldCat for books, etc.) fails, use |publisher=<!--Unspecified by source.--> to explicitly indicate that this was checked, so other editors do not waste time duplicating your fruitless efforts. Do not guess at the publisher when this information is not clear. See next entry for co-published works and how to specify multiple publishers and their locations.
|publication-place=): Geographical place of publication (not where you found your copy, nor location of material in the source). This is usually City, Country, or City, US State. The city name by itself can be used for world-recognized cities like New York, London (except in articles about Canadian topics), Paris, Tokyo. Simply having a unique name does not mean it is globally recognizable; e.g., many people do not know where Mumbai is, especially if they are old enough that it was called Bombay for much of their lives. If in doubt, be more not less specific, since "Toronto, Canada" and "San Francisco, California" do not actually hurt anything. Be more specific when a City, Country would be ambiguous, e.g. |location=Hanley, Staffordshire, UK, versus |location=Hanley, Worcestershire, UK. Do not use sub-national postal abbreviations ("DE", "Wilts", etc.), per MOS:POSTABBR. The location parameter should be omitted when it is implied by the name of the work, e.g. The Sydney Morning Herald. The location parameter should be used when the location is part of a common appellation of but not the actual title of a periodical. For example, the newspaper formerly known as and sometimes still called the San Jose Mercury News is actually The Mercury News and can be entered with |newspaper=The Mercury News |location=San Jose, Calif., which yields: The Mercury News. San Jose, Calif. A similar example is The Times of London (contrast The New York Times). Per WP:SAYWHEREYOUGOTIT, provide the location of the edition you are using (e.g., if a publisher has operations in both New York and London and you have the London-published edition, use |location=London, even if the publisher's corporate HQ is in New York). If your edition specifically gives multiple locations, this can be indicated with, e.g., |location=New York / London. This same technique can be used for co-published works, e.g.: |location=Oakbrook Terrace, Illinois / Los Angeles|publisher=[[Council of Science Editors]] / [[Loyola Marymount University]] Press; just get them in corresponding order in both parameters. The templates do not have separate |location1=, |publisher1=, etc., parameters. For historical publications that are still worth citing and still findable (e.g. via book digitizers – see the "via" parameter below), do not confuse the printer (printing press owner-operator) with the publisher (organization or person that sponsored the work); an edition may have a printer's name in larger type than the publisher, but for citation purposes we care about the publisher. If the distinction cannot be determined for certain in a particular case, list both. While some off-site publishers lean toward omitting publishing locations, they can serve more than purely bibliographical purposes on Wikipedia (e.g. an overabundance of material published in one place in an article about another place may reveal an editorial bias).{{Cite dictionary |entry=skeptic |entry-url=https://www.dictionary.com/browse/skeptic?s=t#collins-section |title=[[Collins English Dictionary]] |edition=Complete & Unabridged Digital |date=2012 |location=London |publisher=[[HarperCollins]] |via=[[Dictionary.com]] |access-date=3 July 2025}}An editor may use any one of the following parameters in a given citation to refer to the specific page(s) or place in a cited source that contains the information that supports the article text. If more than one of the following parameters are used in the same citation, the error message Extra |pages= or |at= (help) will display in the published citation. When more than one of the following parameters is used in error, |page= overrides both |pages= and |at=; |pages= overrides |at=. To resolve the error, remove extra parameters of this type until only one remains in the affected citation.
|page=52.
|page=12{{hyphen}}34. This will not only properly display a hyphen, but also reduce the likelihood that an editor/bot will convert this to |pages=12{{endash}}34 by mistake.|pages=236–239. Separate non-sequential pages either with commas or semicolons, for example |pages=157, 159. The form |pages=461, 466–467 is used when you are citing both non-contiguous and sequential pages. For page numbers higher than 999, either do not use thousands separators or enclose the page number in accept-this-as-written markup to avoid commas being erroneously interpreted as list separators, e.g. |pages=((1,234{{endash}}1,235)). For multiple hyphenated pages, use the accept-this-as-written markup to avoid the hyphens being converted to dashes, e.g. |pages=((1{{hyphen}}2)), ((3{{hyphen}}4)).
|at= parameter including, but not limited to, track, hours, minutes and seconds, act, scene, canto, book, part, folio, stanza, back cover, liner notes, indicia, colophon, dust jacket, etc. Examples include |at=Column 2 or |at=Paragraph 5 or |at=Back cover or |at=Act III, Scene 2.|quote=. Use either |quote-page= or |quote-pages=, but not both. Should be a subset of the page(s) specified in |page=, |pages= or |at=. Displays preceded by p. unless |no-pp=yes. If hyphenated, use {{hyphen}} to indicate this is intentional (e.g. |quote-page=3{{hyphen}}12). Alias: none.|quote=. Use either |quote-page= or |quote-pages=, but not both. Should be a subset of the pages specified in |pages= or |at=. Separate using an en dash (–); separate non-sequential pages with a comma (,). Displays preceded by pp. unless |no-pp=yes is defined. Hyphens are automatically converted to en dashes; if hyphens are appropriate because individual page numbers contain hyphens, for example: pp. 3-1–3-15, use double parentheses to tell the template to display the value of |quote-pages= without processing it, and use {{hyphen}} to indicate to editors that a hyphen is really intended: |quote-pages=((3{{hyphen}}1{{ndash}}3{{hyphen}}15)). Alias: none.If the same source is reused with different pages, separate citations must be created. A way around this problem is to use a short citation {{sfn}}, or {{rp}} to provide linked page number citations.
|edition=Revised third displays as: Revised third ed. The edition parameter can be omitted if there is no content difference between two editions of the same work; e.g. if a book was identically published in the UK and the US except, for example, ISBN number and cover art, it is not necessary to indicate either "UK" or "US" edition; or if citing minute:seconds of a film available in both a regular edition and a "Special Limited Collector's Edition", if the running time and cut are the same, it is not necessary to cite the particular edition.|series= should be limited to Original/New Series, First/Second/Third/... Series, or similar.[Note 2]|volume=I–IV. Separate non-sequential volumes either with commas or semicolons, for example |volume=I, III. The form |volume=I, III–V is used when you are citing both non-contiguous and sequential volumes. For volume numbers higher than 999, either do not use thousands separators or enclose the volume number in accept-this-as-written markup to avoid commas being erroneously interpreted as list separators.|issue=2, ''Modern Canadian Literature''. Please choose either |issue= or |number= depending on what nomenclature is actually used in a publication. If a publication carries both, issue and number designations (typically one being a year-relative and the other an absolute value), provide them both, for example |issue=2 #143. Separate ranges with an en dash: – , and non-sequential numbers either with commas or semicolons. For numbers higher than 999, either do not use thousands separators or enclose the number in accept-this-as-written markup to avoid commas being erroneously interpreted as list separators.|url-access= parameter, see Registration or subscription required. Other notes about reprintings, etc., should be placed after the template, and before </ref>.When MediaWiki encounters an external link URL with a '.pdf' or '.PDF' extension, it renders the external link with a PDF icon in place of the usual external-link icon. To make rendered cs1|2 citations that link to PDF documents somewhat more accessible, cs1|2 automatically adds a parenthetical PDF annotation so that those readers using screen-reader technology can know the type of the linked file. This is imperfect because some on-line sources redirect .pdf URLs to .html landing pages (this is common for PDF documents behind paywalls or registration barriers). Because the parenthetical PDF annotation happens automatically, editors are not required to set |format=PDF, though doing so causes no harm. The |format=PDF parameter may be deleted as part of a more substantial edit but editors should consider that many cs1|2 templates are copied from en.Wikipedia to other-language Wikipedias when articles here are translated to that other language. Do not assume that other-language Wikipedias use up-to-date cs1|2 templates; many do not, so removing |format=PDF here can affect readers/translators at other Wikipedias.
Links to sources are regarded as conveniences and are not required, except when citing Web-only sources. There are many digital libraries with works that may be used as sources.
Do not link to:
Links should be kept as simple as possible. For example, when performing a search for a Google Book, the link for Monty Python and Philosophy would look like:
But can be trimmed to:
or:
or:
A direct link to a specific page may be used if supported by the host. For example, the link to page 172 of Monty Python and Philosophy on Google Books:
like so:
|page=[https://books.google.com/?id=wPQelKFNA5MC&pg=PA172 172]
URLs must begin with a supported URI scheme. http:// and https:// will be supported by all browsers; however, ftp://, gopher://, irc://, ircs://, mailto: and news: may require a plug-in or an external application and should normally be avoided. IPv6 host-names are currently not supported.
If URLs in citation template parameters contain certain characters, then they will not display and link correctly. Those characters need to be percent-encoded. For example, a space must be replaced by %20. To encode the URL, replace the following characters with:
Single apostrophes do not need to be encoded; however, unencoded multiples will be parsed as italic or bold markup. Single curly closing braces also do not need to be encoded; however, an unencoded pair will be parsed as the double closing braces for the template transclusion.
The original link may become unavailable. When an archived version is located, the original URL is retained and |archive-url= is added with a link to an archived copy of a web page, usually from services like WebCite and the Internet Archive. |archive-date= must be added to show the date the page was archived, not the date the link was added. When |archive-url= is used, |url= and |archive-date= are required, else an error will show. When an archived link is used, the citation displays with the title linked to the archive and the original link at the end: Monty Python and Philosophy. Archived from the original on 2013-05-01.
|url-status=live:When the original URL has been usurped for the purposes of spam, advertising, or is otherwise unsuitable, setting |url-status=unfit or |url-status=usurped suppresses display of the original URL (but |url= and |archive-url= are still required). When the original URL is still 'live' but no longer supports the text in an article, set |url-status=deviated. For further documentation of |url-status=, see Template:Cite web § csdoc urlstatus.
The following identifiers create links and are designed to accept a single value. Using multiple values or other text will break the link and/or invalidate the identifier. In general, the parameters should include only the variable part of the identifier, e.g. |rfc=822 or |pmc=345678.
|arxiv=hep-th/9205027 (before April 2007) or |arxiv=0706.0001 (April 2007 – December 2014) or |arxiv=1501.00001 (since January 2015). Do not include extraneous file extensions like ".pdf" or ".html". Aliases: eprint.|asin=B00005N5PF. Aliases: ASIN.
ae, au, br, ca, cn, de, es, fr, in, it, jp, mx, nl, pl, sa, se, sg, tr, uk. Aliases: none.1974AJ.....79..819H. Aliases: none.10.1101/078733 for http://biorxiv.org/content/early/2016/10/01/078733 or https://doi.org/10.1101/078733; 10.1101/2020.07.24.220400 for https://doi.org/10.1101/2020.07.24.220400). Aliases: none.10.1.1.176.341 for https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.176.341). Aliases: none.10.1038/news070508-7. It is checked to ensure it begins with (10.). Aliases: DOI.
|eissn=1557-2986. Aliases: EISSN.
|hdl=20.1000/100. Aliases: HDL.978-0-8126-9593-9. (See Wikipedia:ISBN and ISBN § Overview.) Hyphens in the ISBN are optional, but preferred. Use the ISBN actually printed on or in the book. Use the 13-digit ISBN – beginning with 978 or 979 – when it is available. If only a 10-digit ISBN is printed on or in the book, use it. ISBNs can be found on the page with the publisher's information – usually the back of the title page – or beneath the barcode as a number beginning with 978 or 979 (barcodes beginning with any other numbers are not ISBNs). For sources with the older 9-digit SBN system, use sbn. Do not convert a 10-digit ISBN to 13-digit by just adding the 978 prefix; the last digit is a calculated check digit and just making changes to the numbers will make the ISBN invalid. This parameter should hold only the ISBN without any additional characters. It is checked for length, invalid characters – anything other than numbers, spaces, and hyphens, with "X" permitted as the last character in a 10-digit ISBN – and the proper check digit. Aliases: ISBN.
|isbn={{Format ISBN|9780812695939}} – if you are unsure of how any particular ISBN should be hyphenated, as the pattern varies by country and publisher.979-0-9016791-7-7. Hyphens or spaces in the ISMN are optional. Use the ISMN actually printed on or in the work. This parameter should hold only the ISMN without any additional characters. It is checked for length, invalid characters – anything other than numbers, spaces, and hyphens – and the proper check digit. Aliases: ISMN.|issn=2049-3630. Aliases: ISSN.
|jfm=53.0144.01. Aliases: JFM.|jstor=3793107. Aliases: JSTOR.|lccn=79-57364 or |lccn=2004042477 or |lccn=e09001178. Aliases: LCCN.|mr=630583. Aliases: MR.|oclc=9355469. Aliases: OCLC.|ol=7030731M. Aliases: OL.|osti=4367507. Aliases: OSTI.|pmc=345678. Do not include "PMC" in the value. See also the pmid parameter, below; these are two different identifiers. Aliases: PMC.
|pmid=17322060 See also the pmc parameter, above; these are two different identifiers. Aliases: PMID.|rfc=3143. Aliases: RFC.|sbn=356-02201-3. Aliases: SBN.
|ssrn=1900856. Aliases: SSRN.|s2cid=37220927. Aliases: S2CID.|zbl=0472.53010 For zbMATH search results like JFM 35.0387.02 use |jfm=35.0387.02. Aliases: ZBL.In very rare cases, identifiers are published which do not follow their defined standard format or use non-conforming checksums. These would typically cause an error message to be shown. Do not alter them to match a different checksum. In order to suppress the error message, some identifiers (|doi=, |eissn=, |isbn=, |issn=, and |sbn=) support a special accept-this-as-written markup which can be applied to disable the error-checking (as |<param>=((<value>))). If the problem is down to a mere typographical error in a third-party source, correct the identifier value instead of overriding the error message.
For some identifiers, it is possible to specify the access status using the corresponding |<param>-access= parameter.
For {{cite journal}}, some identifiers (specifying free resources) will automatically be linked to the title when |url= and |title-link= are not used to specify a different link target. This behaviour can be overridden by one out of a number of special keywords for |title-link= to manually select a specific source (|title-link=pmc or |title-link=doi) for auto-linking or to disable the feature (|title-link=none).
It is not necessary to specify a URL to a link identical to a link also produced by an identifier. The |url= parameter (or |title-link=) can then be used for providing a direct deep link to the corresponding document or a convenience link to a resource that would not otherwise be obviously accessible.
A custom identifier can be specified through
|id=NCJ 122967 will append "NCJ 122967" at the end of the citation. You can use templates such as |id={{NCJ|122967}} to append NCJ 122967 instead.Citations of online sources that require registration or a subscription are acceptable in Wikipedia as documented in Verifiability § Access to sources. As a courtesy to readers and other editors, editors should signal restrictions on access to material provided via the external links included in a citation. These levels describe requirements or constraints related to accessing and viewing the cited material; they are not intended to indicate the ability to reuse, or the copyright status, of the material, since that status is not relevant to verifying claims in articles.
Four access levels can be used:
free: the source is free to read for anyoneAs there are often multiple external links with different access levels in the same citation, each value is attributed to a specific external link.
Access indicators for url-holding parameters[edit]Online sources linked by |url=, |article-url=, |chapter-url=, |contribution-url=, |entry-url=, |map-url=, and |section-url= are presumed to be free-to-read. When they are not free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. Because the sources linked by these URL-holding parameters are presumed to be free-to-read, they are not marked as free. If the registration/limited/subscription access to the source goes dead and is no longer available, then remove the access-indicator parameter and add |archive-url= and |archive-date= values if possible.
For example, this cites a web page that requires registration but not subscription:
{{cite web |url=https://example.com/nifty_data.php |url-access=registration |date=2021-04-15 |title=Nifty example data}}
which renders as:
Links inserted by named identifiers are presumed to lie behind a paywall or registration barrier – exceptions listed below. When they are free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. When the sources linked by these named-identifier parameters are not presumed to carry a free-to-read full text (for instance because they're just abstracting services), they may not be marked as limited, registration, or subscription.
Some named-identifiers are always free-to-read. For those named identifiers there are no access-indicator parameters; the access level is automatically indicated by the template. These named identifiers are:
|arxiv=|biorxiv=|citeseerx=|medrxiv=|pmc=|rfc=For embargoed pmc that will become available in the future, see pmc-embargo-date.
Tracking of free DOIs[edit]10.xxxx/... part of the DOI associated with the registrant can be added to the list under local function build_free_doi_registrants_table(). If |doi-access=free is not set, it will place the page in Category:CS1 maint: unflagged free DOI, which is routinely cleared by User:Citation bot.10.xxxx/yyyy.... DOI pattern. Once that pattern is identified, it can be added to Module:Citation/CS1/Configuration under local extended_registrants_t = { with the format ['XXXX'] = {'YYYY'},. If there are multiple journals with the same DOI prefix, they can be grouped together with the format ['XXXX'] = {'YYYY', 'ZZZZ', '...'},.... |quote=Tōkyō tawā |script-quote=ja:東京タワー |trans-quote=Tokyo Tower ...
The module creates HTML IDs by default suitable for use with shortened footnotes using the Harv- and sfn-family templates. These styles use in-text cites with a link that will jump to the ID created by the CS1 template. The ID is created from up to four author last names and the year, of the format CITEREFlastname(s)year.
|ref=ID: Creates a custom ID equivalent to the value ID. This is useful where the author and/or date is unknown. The {{harvid}} template may be used here to create an ID for the Harv- and sfn-family templates.
These features are not often used, but can customize the display for use with other styles.
|mode=cs1, element separator and terminal punctuation is a period (.); where appropriate, initial letters of certain words are capitalized ('Retrieved...'). For |mode=cs2, element separator is a comma (,); terminal punctuation is omitted; where appropriate, initial letters of certain words are not capitalized ('retrieved...'). These styles correspond to Citation Style 1 and Citation Style 2 respectively. To override default terminal punctuation use postscript.{{reflist}}, <references /> or similar as there is no control of the order in which references are displayed. Mask parameters can take an enumerator in the name of the parameter (e.g. |authorn-mask=) to apply the mask to a specific name.
|display-authors=2 will display only the first two authors in a citation (and not affect the display of the other kinds of contributors). |display-authors=0 is a special case suppressing the display of all authors including the et al. |display-authors=etal displays all authors in the list followed by et al. Aliases: none.
.); for no terminating punctuation, specify |postscript=none – leaving |postscript= empty is the same as omitting it, but is ambiguous. Additional text, or templates that render more than a single terminating punctuation character, will generate a maintenance message. |postscript= is ignored if quote is defined.et al. is the abbreviation of the Latin et alii ('and others'). It is used to complete a list of authors of a published work, where the complete list is considered overly long. The abbreviation is widely used in English, thus it is not italicized per MOS:FOREIGN.
Accept-this-as-written markup[edit]There are occasions where Module:Citation/CS1 emits error or maintenance messages because of, or makes changes to, the values assigned to a select set of parameters. Special markup can be used to enforce that a value will nonetheless be accepted as written. The markup for this is ((value)), i.e., wrap the entire parameter value in two sets of parentheses. Parameters that support this markup are:
When viewing the page, CS1 templates render the URL to the title to create a link; when printing, the URL is printed. External link icons are not printed.
Not all factually accurate pieces of information about a source are used in a Citation Style 1 citation. Examples of information not included:
This section documents interactions between WP:TemplateData and tools that use that data to edit Wikipedia such as VisualEditor and bots. Before making changes to the TemplateData be aware of these interactions.
|website= is "required" IABot makes the following edit: [1].|access-date= does not show.
|url= is not supplied, then |access-date= does not show; by design.
|title= field includes a newline or an invalid character then the link will be malformed; see Web links.
www.example.org/ vs. http://www.example.org/.
|) in the value will truncate it. Use {{!}} instead.
|author-link= will break the link; this field is for the name of the Wikipedia article about the author, not a website.
|last= or |last1= is not defined, then |last2= will not show. By design.
|page=, |pages= or |at= do not show.
For instance the journal Physical Review, was numbered volumes 1–35 from 1893 to 1912 (the first series). From 1913 to 1969, the volume numbering restarted at 1 and went up to 188 (the second series). In 1970, Physical Review split into different parts, Physical Review A, Physical Review B, Physical Review C, and Physical Review D, where volumes again restarted at 1 (the third series). Since there are two publications identified as Physical Review, Volume 1, there is a need to distinguish which is which by use of |series=First Series or |series=Second Series. While Physical Review A is in the third series of the Physical Review media franchise, it is the first series of the publication known as Physical Review A. Since there is no confusion about what Physical Review A, Volume 1 could be referring to, there is no need to clarify to which numbering series the journal belong.
In particular, note that the |series= parameter is not to be used to distinguish the different parts of a media franchise, like Physical Review A, Acta Crystallographica Section A, Journal of the Royal Statistical Society, Series B.
|author= should never hold the name of more than one author.RetroSearch is an open source project built by @garambo | Open a GitHub Issue
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