Q. How do I cite Youtube?

MLA

Format:

Editor, author, or compiler name (if available). "Posting Title." Name of Site. Version number. Name of institution/organization affiliated with the site (sponsor or publisher), date of resource creation (if available). Web. 
Date of access.

Example:

http://www.youtube.com/watch?v=Bwvoaj-h_40

Boisestatefoundation. "Boise State University Honors College." YouTube. Web. 16 Dec. 2009.

Example:

http://www.youtube.com/watch?v=ba0SiPfrrA8

Albertsonsthelibrary. "Clara Spiegel Collection at Boise State University." YouTube. Web. 16 Dec. 2009.

 

APA

From page 215 of the Publication Manual of the American Psychological Association, example 77 for a Video Blog Post.

Format:

Author or Producer Last Name, First Name. (Year, Month Date). Title of the video [Video file]. Retrieved from    http://-list the entire website-

Example:

Boisestatefoundation. (2009, February 9) Boise State  University Honors College. [Video file]. Retrieved from http://www.youtube.com/watch?v=Bwvoaj-h_40

The in-text citation for APA would depend on the number of authors, but primarily is the author's name and the year (Boisestatefoundation, 2006).