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Citation bot
Joined 21 September 2008
User page Talk
Editors who activate this bot should carefully check the results to make sure that they are as expected. While the bot does the best it can, it cannot anticipate the existing misuse of template parameters or anticipate bad/incomplete metadata from citation databases.
See also OABot, which is better at finding free/open access versions of citations.
This user account is a bot operated by Smith609 (talk). It is used to make repetitive automated or semi-automated edits that would be extremely tedious to do manually, in accordance with the bot policy. The bot is approved and currently active – the relevant request for approval can be seen here.
Administrators: if this bot is malfunctioning or causing harm, please block it.
ActivateGuideBugs/FeaturesEmergency shutoff
Activate the bot on a specific page or all articles in a category.How do you get the best results? Want an activation link on every page you edit? Consult the guide!Something wrong? Report it!
Have an idea? Suggest it!
Source code available at GitHub.
Admins: Follow instructions.
Non-admins: Report to WP:ANI.
Function summary
This bot was originally designed to add digital object identifiers (DOIs) to references; it now does much more, adding other identifiers (PMIDs, ISBNs), links to open access repositories, and fixing common formatting errors.
The bot obtains citation data from a range of sources including Google Books, Google Books API Family, CrossRef, AdsAbs, arXiv, oaDOI and PubMed. Because scraping data from web pages is unreliable and resource-intensive, these databases are the main source of data; unfortunately the bot is unable to tell when these databases contain errors or incomplete information. Any such error or omission should be reported directly to the data repository maintainer. The bot also correct citations to match WP:CITALICSRFC and similar. Note that a 503 error means that the bot is overloaded and you should try again later - wait at least an hour.

Data sources
Open source links are from mostly oaDOI.
Development
A stable version of the bot is always available at https://citations.toolforge.org/
Time commitments preclude regular updates; maintenance is attempted every few months. The source code can be found at https://github.com/ms609/citation-bot​.
Interpreting bot edit summaries
The bot edit summaries try to strike a balance between providing too little information to be useful and so much information as to exceed the line limits and to just duplicate the edit content itself. Sometimes the edit summary will include items that did not occur in the final edit because multiple actions cancelled each other out. Also, if a URL is removed, then the edit summary might say that other things (such as access-date) were removed because there was no URL, even though there was originally a URL: this is because the bot works in phases.
Stopping the bot from editing
See also: User:Citation bot/use § ... the bot made a mistake?
If the bot is erroneously adding or modifying a parameter (e.g. adding a wrong |last=/|first=, or a wrong |doi=) to a citation), put a comment in place of the appropriate parameter such as
|doi = <!-- Citation bot adds wrong DOI-->
Although the content of the comment is not relevant to the Citation Bot, it is best to include some text within the comment so that human editors understand why there is a comment. Also, it makes it clear why, such if the comment was "Citation bot grabs invalid issue number from pubmed", then a human might know that they too should not believe pubmed. Lastly, random empty comments are prone to being deleted by human editors as "extraneous".
It may be possible to fix the underlying problem if you report the error – but there are a few, rare instances (such as false positives and editor preference) where it is impossible to implement an automatic fix.
False positives
If the bot is adding seemingly-unrelated data to a citation, it is probably receiving a false positive from the citation databases it consults. Unfortunately, there's no way for the bot to know this, so there are two ways of avoiding it:
Page numbers with hyphens
The bot replaces hyphens with en dash in page number ranges. On rare occasions when a hyphen is right and an en dash is wrong (hyphen in the page number itself, often because the page number includes the chapter too), manually use the {{hyphen}} template instead of the dash/hyphen character. An alternative is to use the template's |at= parameter.
Valid parameters
The bot draws all parameters specified in Module:Citation/CS1/Whitelist with the format "['parameter_name'] = true", and treats these as valid spellings. The bot maintains its own copy at https://github.com/ms609/citation-bot/blob/master/constants/parameters.php
Internationalization
There have been a number of requests for the bot to be adapted to foreign-language wikipedias. When time permits, I will be happy to work towards this. For me to adapt the bot for a foreign wiki I first need:
If you have both of these available, please let me know and I will set to work on the necessary coding.
Function
See also: User:Citation bot/use
Automatic or manually Assisted: Automatic
Programming language(s): PHP
Function summary: Maintains and expands citations; ensures standards are complied to.
Edit period(s) Can run in a continuous mode that automatically revisits articles, but currently used on specific articles whenever requested by a user.
Function details:
  1. Replaces "id=identifier" or "url=​http://resource.org/identifier=# with "identifier=#"
  2. Fixes common typos in parameter names (not values), using the closest match if the typo is not in a list of frequent mistakes https://github.com/ms609/citation-bot/blob/master/constants/parameters.php
  3. Removes redundant parameters
  4. Searches for missing parameters (including URL), then adds them if available. This is especially convenient when only an identifier is included within the template
    The bot uses a range of databases including Google Books API, Google Books, PubMed, CrossRef, AdsAbs, doi.org, and JSTOR
  5. Converts an endnote citation to a Wikipedia citation — Example
  6. Is authorized to, but not currently add names to references and combine duplicates
  7. Expands {{cite arXiv}} templates with an eprint parameter, and updates them to use {{cite journal}} where appropriate
  8. Where a mixture of {{citation}} and {{cite xxx}} family templates are used in an article, is authorized to standardize to the dominant format, but does not currently do that
  9. Convert bare references to citation template based references
User box you can add to show support
Wikitext
userbox
where used

{{User wikipedia/Citation bot}}
This user fixes citations with the help of Citation bot.
linked pages

Bot approval
External links
Github version
See also – Other great tools to use
Bot Recognitions
The Original Barnstar
Thank you, you have been very helpful to me as a new user and contributor. Tonythetiger89 (talk) 16:29, 15 August 2013 (UTC)
This kitten is
Fixed
Vivian
Kashment (talk) 20:51, 20 July 2014 (UTC)
Martin (Smith609 – Talk) 05:13, 29 July 2014 (UTC)
The Citation Barnstar
For all of your citation fixes! Quinton Feldberg (talk) 05:49, 24 August 2017 (UTC)
The Editor's Barnstar
Amazing,
Im out of words! It's Indeed very helpful Dadhush (talk) 12:52, 16 November 2018 (UTC)
The Editor's Barnstar
Good job. Keep it up man !!! Taal Saptak (talk) 10:09, 7 July 2018 (UTC)
That's really great Jackwilliam2 (talk) 12:20, 3 December 2018 (UTC)
The Technical Barnstar
Thank you for your dedication that eases my workload! It's gonna be awesome!Talk♬ 13:36, 5 January 2019 (UTC)

The Original Barnstar
Thank you Ackee123 (talk) 11:38, 30 August 2019 (UTC)

Good job! Azilmark89 (talk) 12:53, 22 August 2019 (UTC)
The Citation Barnstar
Hey, I was just there suffering in cite date. Any way thanks CBOT. F5pillar (talk) 19:18, 21 January 2020 (UTC)

The Citation Barnstar
This Bot is very useful. Swapout (talk) 10:44, 27 October 2020 (UTC)

Why not send a cup! IWikepidsacusk (talk) 14:17, 4 December 2020 (UTC)
A barnstar for you!
The Original Barnstar
thank bot Mohamed Taqi (talk) 11:44, 25 May 2021 (UTC)
Last edited on 26 May 2021, at 21:13
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