How to Cite a Tweet: MLA & APA: How to Cite a Tweet Using APA

From the APA Social Media Guidelines -- to cite a tweet on your Works Cited page:

Last name, First Initial. [Username].
(Date).
Text from tweet.
[Tweet].
Retrieved from twitter.com/username/status/webaddressoftweet

Gates, B. [BillGates]. (2013, February 26). #Polio is 99% eradicated. Join me & @FCBarcelona as we work to finish the job and #EndPolio. VIDEO: http://b-gat.es/X75Lvy [Tweet]. Retrieved from https://twitter.com/BillGates/status/306195345845665792