Citation styles

APA style
Twitter, institutions, historians, audiences. (2009, September 21). In amandafrench.net. Retrieved 03:14, February 21, 2018, 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. . 21 Feb 2018 <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 February 21, 2018].