Wikipedia:Reference desk

"WP:RD" redirects here. You may also be looking for Wikipedia:Resolving disputes, Wikipedia:Recent deaths, Wikipedia:Redirect, Wikipedia:Revision deletion, or Wikipedia:The Wikipedia Library/Research desk.
"Help:Reference" redirects here. For how to add references to articles, see Help:Wiki markup § References and citing sources.
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Wikipedia reference desk
The Wikipedia reference desk works like a library reference desk. Ask a question here and Wikipedia volunteers will try to answer it.

Before asking a question, please try the search boxes below to search Wikipedia as a whole or the reference desk archives. See also the reference desk guidelines.

Note: Legal or medical advice is prohibited. Further information is available at Wikipedia's legal and medical disclaimers. See also the medical advice guidelines.

 

For information on any topic, choose the section that best fits that topic:

Computing reference desk
Computing, information technology, electronics, software, and hardware
Entertainment reference desk
Sports, popular culture, movies, music, video games, and TV shows
Humanities reference desk
History, politics, literature, religion, philosophy, law, finance, economics, the arts, and society
Language reference desk
Spelling, grammar, word origins, linguistics, language usage, and translation requests
Mathematics reference desk
Mathematics, geometry, probability, and statistics
Science reference desk
Biology, chemistry, physics, medicine, geology, engineering, and technology
Tourism, vacations, and travel Desk administered by sister project Wikivoyage (external link)
Miscellaneous reference desk
For questions that don't fit in any of the other categories
Reference desk archives
Old questions are archived daily

For help specific to the operation of Wikipedia:

Help desk
To ask general questions about using Wikipedia
Village pump
To ask about specific policies and operations of Wikipedia
Teahouse
A friendly place to help new editors become accustomed to Wikipedia culture

For Wikipedia reference information:

To ask about specific policies and operations of Wikipedia
How to cite Wikipedia as a reference
For resolving issues between users
An advanced guide on everything Wikipedia

Further information Wikipedia department directory
The following images are being used under the GNU FDL and/or the CC-BY-SA license:
P computing.svg, P physics.svg, P mathematics.svg, P question.svg, P art.png, P literature.svg, P music.svg, P archive.svg, P Airplane.png