Citation styles

APA style
Twitter, institutions, historians, audiences. (2009, September 21). In amandafrench.net. Retrieved 06:40, December 14, 2017, from http://amandafrench.net/2009/02/05/twitter-institutions-historians-audiences/
MLA style
Amanda French, "Twitter, institutions, historians, audiences." amandafrench.net. 21 September 2009, 23:14 UTC. . 14 Dec 2017 <http://amandafrench.net/2009/02/05/twitter-institutions-historians-audiences/>.
The Chicago Manual of Style
Amanda French, "Twitter, institutions, historians, audiences." amandafrench.net, http://amandafrench.net/2009/02/05/twitter-institutions-historians-audiences/ [accessed December 14, 2017].