Year of the source being referenced; use 'date' instead, if month and day are also known

The title of the source page on the website; displays in quotes

Title of the source; may be wikilinked; displays in italics; alias of 'work'

Name of the publisher; displays after title

Geographical place of publication; usually not wikilinked; omit when the publication name includes place; alias of 'place'

A unique identifier used where none of the specialized ones are applicable

The URL of the online location where the text of the publication can be found

The full date when the original URL was accessed; do not wikilink

The surname of the author; don't wikilink, use 'authorlink'; can suffix with a numeral to add additional authors

Given or first name, middle names, or initials of the author; don't wikilink, use 'authorlink'; can suffix with a numeral to add additional authors

Full date of the source; do not wikilink

Title of existing Wikipedia article about the author; can suffix with a numeral to add additional authors

Used to record other contributions to the work, such as 'Illustrated by John Smith' or 'Translated by John Smith'

Name of the month of publication; do not wikilink; use 'date' instead, if day of month is also known

Original year of publication; provide specifics

The surname of the editor; don't wikilink, use 'editor-link'; can suffix with a numeral to add additional editors; alias of 'editor1-last', 'editor', and 'editors'

Given or first name, middle names, or initials of the editor; don't wikilink, use 'editor-link'; can suffix with a numeral to add additional editors; alias of 'editor1-first'

Title of existing Wikipedia article about the editor; can suffix with a numeral to add additional editors; alias of 'editor1-link'

Publication place shows after title; if 'place' or 'location' are also given, they are displayed before the title prefixed with 'written at'

Date of publication when different from the date the work was written; do not wikilink

When the publication has more than one edition; for example: '2nd', 'Revised' etc.; suffixed with ' ed.'

When the source is part of a series, such as a book series where the issue numbering has restarted; alias of 'version'

For one publication published in several volumes

Page in the source that supports the content; displays after 'p.'

Pages in the source that support the content (not an indication of the number of pages in the source; displays after 'pp.'

Set to 'y' to suppress the 'p.' or 'pp.' display with 'page' or 'pages' when inappropriate (such as 'Front cover')

May be used instead of 'page' or 'pages' where a page number is inappropriate or insufficient

The language in which the source is written, if not English; use the full language name; do not use icons or templates

An English language title, if the source cited is in a foreign language; 'language' is recommended

Additional information about the media type of the source; format in sentence case

Format of the work referred to by 'url'; examples: PDF, DOC, XLS; do not specify HTML

An identifier for arXive electronic preprints of scientific papers

Amazon Standard Identification Number; 10 characters

ASIN top-level domain for Amazon sites other than the US

Bibliographic Reference Code (REFCODE); 19 characters

Digital Object Identifier; begins with '10.'

The date that the DOI was determined to be broken

International Standard Book Number; use the 13-digit ISBN where possible

International Standard Serial Number; 8 characters; may be split into two groups of four using a hyphen

Jahrbuch über die Fortschritte der Mathematik classification code

JSTOR identifier

Library of Congress Control Number

Mathematical Reviews identifier

Online Computer Library Center number

Open Library identifier

Office of Scientific and Technical Information identifier

PubMed Center article number

PubMed Unique Identifier

Request for Comments number

Social Science Research Network

Zentralblatt MATH journal identifier

The URL of an archived copy of a web page, if or in case the URL becomes unavailable; requires 'archivedate'

Date when the original URL was archived; do not wikilink

If set to 'no', the title display is adjusted; useful for when the URL is archived preemptively but still live

Relevant text quoted from the source; displays last, enclosed in quotes; needs to include terminating punctuation

An anchor identifier; can be made the target of wikilinks to full references; special value 'harv' generates an anchor suitable for the harv template

The punctuation used to separate lists of authors, editors, etc.; a space must be encoded as   do not use an asterisk, colon, or hash mark

The closing punctuation for the citation; ignored if 'quote' is defined

URL link to a non-technical summary or review of the source; alias of 'laysummary'

Name of the source of the laysummary; displays in italics, preceded by an en dash

Date of the summary; displays in parentheses

Replaces the name of the first author with em dashes or text; set to a numeric value 'n' to set the dash 'n' em spaces wide; set to a text value to display the text without a trailing author separator; for example, 'with' instead

Changes the separator between last and first names; defaults to a comma and space; a space must be encoded as   do not use an asterisk, colon, or hash mark

Changes the separator between authors; defaults to a semicolon and space; a space must be encoded as   do not use an asterisk, colon, or hash mark

number of authors to display before 'et al.' is used; default is to do so after 8 of 9 are listed; alias of 'displayauthors'

When set to any value, changes the separator between the last two names of the author list to 'space ampersand space'