This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.



To report bugs or request features, please go to Documentation can be found on

papercite format bibtex entries as HTML so they can be inserted in
WordPress pages and posts. The input data is a bibtex file (either local
or remote) and entries can be formatted by default using various
predefined styles. Bibtex source file and a link to the publication are
also available from the HTML.

Input: Sources files are BibTex files that can be:

  • WordPress media files (since 0.5.6)
  • Stored into a WordPress folder (with multi-site support);
  • An URL (e.g., from and;
  • A custom field when local to a post/page


  • Database backend to speed up the processing by caching the bibtex
    entries for big BibTeX files.
  • Fast OsBiB-based parser

Filtering and grouping:

  • Filtering on publication type and authors
  • Regular expression filtering on any type
  • Publications can be grouped and sorted in various ways


  • Access the single bibtex entry source code to enable copy&paste
    (toggle-enabled visualization)
  • Easy output customisation with the use of two templates: one for
    each entry, one for the list of entries
  • Auto-detection of PDF files based on the BibTeX key (or on the PDF
  • Citation mode: use references in the text and print the citations at
    the end of a block, page or post
  • Form to let the user dynamically filter the entries

Documentation can be found from within WordPress plugin list (click on
the documentation link)
. You can see the documentation of the plugin
as installed on my site here.


  • B. Piwowarski (main developper)
  • Jaroslav Vítků: Filtering by author and type; form to filter
  • Michael Schreifels: auto-bibshow and no processing in post lists
  • Stefan Aiche: group by year option
  • Łukasz Radliński: bug fixes & handling polish characters
  • Max Harper: patch for having good URLs
  • Martin Henze: option for highlighting name(s) of specific
  • Some parts of the code come from bib2html (version 0.9.3) written by
    Sergio Andreozzi.
  • Samuel Viana aka digfish (digitalfisherman on WordPress) : current mantainer

Where is the documentation?

The documentation is now bundled with the plug-in. Go to the plug-in
list page in the WordPress dashboard, and click on the documentation

How can I edit my bibtex files?

If your file is local to the blog installation, you have two options:

  • via FTP client with text editor
  • via WordPress Admin interface: Manage->Files->Other Files

** use wp-content/papercite-data/bib/mybibfile.bib as a path

Alternatively, you can maintain your updated biblilography by using
systems such as and; specify the bib file
using as a URL (e.g., in citeulike, you should use

How are the entries sorted?

Entries are sorted by year by default.

How can I personalize the HTML rendering?

The HTML rendering is isolated in two template files, located in the
subfolders tpl (citation list rendering) and format (entry rendering).

How do I use the new textual footnotes ?

Using the new shortcode [ppcnote]. For example:

In molecular biology, the term double helix [ppcnote]usually applies to DNA[\ppcnote]

will result in a footnote being generated after the post text. The numbering of the footnotes is separated from the one used in the citations.


  • With the bibshow & bibcite commands [With the bibshow & bibcite commands]

  • With the bibtex command [With the bibtex command]

  • The bibfilter command [The bibfilter command]


Follow these step or use the plugin installer from WordPress to install

  1. download the zip file and extract the content of the zip file into a
    local folder
  2. upload the folder papercite into your wp-content/plugins/ directory
  3. log in the wordpress administration page and access the Plugins menu

Then, you should activate papercite, and follow the instructions given
in the documentation that you can access through the plugin list
(click on the documentation link).


Read all 7 reviews

Contributors & Developers

“PAPERCITE” is open source software. The following people have contributed to this plugin.


Translate “PAPERCITE” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Fixed warning on PHP using continue statement (issue #147)


  • Fixed problem with uploading .bib files to the media library was being denied for security reasons (issue #144)


  • Support for textual footnotes
  • Minor bug corrections


  • Fixed ignored limit option (issue #128)
  • More tests to cover potential future issues


  • Updated tests (docker & travis)
  • PHP fixes
  • Added support for — and special latex commands (issue #111)
  • Added modifiers for output (html, strip, protect, sanitize)
  • SSL certificates can be ignored (issue #98)


  • Fixed yet another bug with remote URL fetching


  • Fixed a fatal error for remote URLs


  • New «show_links» option to display links with bibcite
  • New «highlight» option to highlight authors and editors
  • Bibfilter form is now using UTF-8 (issue #87)
  • Fixed formatting issues
  • Corrected warnings (undefined variables and constants)


  • Fixed a bug with bibfilter
  • Fixed handling of letter «n» with accute accent in OSBib (issue #83)


  • Improved documentation for customizing templates and CSS (issue #81)
  • Custom post/page options refactored (partial fix for issue #80)


  • Better handling of errors when retrieving remote URLs
  • Fixed warnings and issue more error messages when something goes
    wrong (issue #80)


  • (Bug #79) Clears the cache upon upgrading to avoid unknown class
    names when deserializing


  • Prevents name clash with other modules using OSBib (e.g.
    TeachPress). Fixes #79.


  • Handles accents with a space before the accentuated character. Fixes
  • Added support for Czech accents to osbib parser. Fixes #77. Thanks
    to mcapino.
  • Files can come from wordpress media (issue #76)
  • Improved the speed of the OSBib parser (issue #68)


  • OSBib parser is now the default
  • Handles non-standard plugin folder


  • Incompatibility with PHP version < 5.4


  • Option to add new files detectors (beyond pdf) – issue #38
  • Option to control title processing (issue #54)
  • Any field can now be used for filters (issue #62)
  • Unparseable year field causes database issues (issue #63)


  • The journal field was not parsed with OSBiB (issue #59)


  • @conference is now properly handled as @inproceedings (issue #53)
  • Option to limit the number of papers output by bibtex (issue #50)
  • More accents handled (issue #51)
  • Added support for interactive filtering by means of new command
    (bibfilter). Thanks to Jaroslav Vítků
  • Added support for these additional filtering commands to bibtex
    command (author and type)
  • Added two new options: auto-bibshow and skip display in post lists
    (thanks to Michael Schreifels)
  • Fixed quite a few PHP warnings


  • Fixed bug #48 (URL as source not working anymore with PHP < 5.4)


  • Fix problems with ignored booktitle in books (harvard and ieee
    styles) – fixes issue #45
  • Fix for newlines by L. Murray (issues #26 and #35)
  • Handles for URL types (issue #41, A. Dyck)


  • Maintenance mode plugins support (bug #39)
  • Support for PHP 5.4 (bug #37)
  • Improved accent support – bug #36 (josemmoya)


  • Fixes fatal error in PHP 5.4 (bug #37)
  • Improved accent support – bug #36 (josemmoya)


  • Post/page BibTeX entries from custom fields
  • Bug fixes and information for database backend


  • Optional database backend
  • New style «plain» (thanks to Andrius Velykis)
  • New template «av-bibtex» (thanks to Andrius Velykis)
  • Improved compatibility with the highlight plugin (thanks to Andrius


  • Fixed issue #26 (newlines stripped from bibtex)
  • Fixed bug #32 (thanks to petrosb)


  • OSBib now returns a correct entry type (closes #28)


  • Improved parsing for the OSBib parser (closes #29, #27)
  • Handles properly authors initials : closes #31 (thanks to petrosb)


  • Enhancement #25 (display the bibliography at the end if no bibshow
    is given)


  • Fixed a small bug in the OSBiB parser


  • Updated the documentation about how papercite searches for PDFs
  • Added the OSBiB bibtex parser which should be much fadster than the
    previous (pear) one (note that it is not actived by default for the
    moment, so you should go to the plugin preferences page to set it as
    your bibtex parser).


  • Corrected «Bootitle» to «booktitle» in all formats (thanks to
  • Corrected a numbering bug that skipped numbers from 1 to 20 (issue


  • The HTML code produced has been cleaned up (valid HTML) [bug 28]


  • Enhancement (bug 26): several bibtex files can be given
  • New (optional) bibtex parser handles larger bibtex files (bug 23)
  • Master thesis is now properly handled (bug 27)


  • Fix missing <?php (bug 24 and 25)


  • Fix a bug introduced in 0.3.10


  • Multiple authors in bibcite (enhancement #2)
  • Ignores @comment entries generated by jabref (bug 22)
  • Updated the documentation (for the new entry formats, and the
    extensions to bib2tpl)


  • Adopted patch given in bug 18 (bibtex source formatting)
  • Fixed function name conflict with Simple Google Analytics plug-in
    (bug 19)


  • Fixed bug 14 (group_order not working)
  • Used the proposed enhancement (bug 13) of the function _e2mn
    (parsing a month)
  • Improved bibtex parsing (&)
  • Improved the entry templates
  • Now uses OSBib for pages formatting


  • Improved the OSBib conversion for entry format – now close to


  • Bug fix when there are only two authors in the entry
  • Bug fix on nested conditions in templates


  • Author are formatted according to the entry template converted from


  • Formats are back, translated from OSBib (not perfect, but close to
    the output in version prior to 0.3.0
  • More latex accents handled


  • Fixed bug 7: umlaut (still) not handled
  • Fixed bug 12: bug with remote URLs


  • Entry format is now in XML to ease the edition


  • Fixed bug 7: umlaut not handled
  • Fixed bug 9: template option does nothing for bibshow
  • Bug fix on sort options
  • Sort by author now working


  • Complete code overhaul – switched to a new bibtex / template system
  • New options to sort & group entries
  • Preference system to set defaults
  • New template based system for entry customisation
  • Multi-site support


  • Grouped by year option (patch due to S. Aiche)
  • Now generates an id which does not depend on the key (fix javascript
    related bugs)


  • bug fix: wrong mappings from bibtex fields to arrays have been
    corrected, link to pdf is now working properly, polish characters
    are almost properly handled (thanks to Łukasz Radliński)


  • bug fix: name clash was preventing insertion of medias using the WP


  • papercite now looks in the pdf directory at two levels (wp-content,
    and wp-content/plugins)


  • Small bug fix (removes a warning)


  • Documentation update
  • New parameter format


  • Fixed a bug with the allow filter


  • Small bug fixes (if the file is an URL) and use of WP functions to
    retrieve remote data (useful when you have proxies)


  • Fixed a bug introduced in 0.2.2
  • Changed the default folder for data in order to avoid data loss when
  • Finished the encapsulation of all the code, so as to prevent name
    clash with wordpress and/or other plugins


  • Removed PHP 5 specific code


  • Added the template file


  • Added deny/allow parameters to [bibtex] so the plugin can replace


  • Adapted the plugin from bib2html 0.9.3
  • Added the bibshow and bibcite commands