| APA | E.D.. (2012, February 17). In Acronym Geek. Retrieved 06:58, February 17, 2012, from http://www.acronymgeek.com/E.D. |
| MLA | "E.D.." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/E.D.>. |
| MHRA | 'E.D.', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/E.D.> [accessed 17 February 2012] |
| Chicago | "E.D.", http://www.acronymgeek.com/E.D. (accessed February 17, 2012). |
| CBE/CSE | E.D. [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/E.D.. |
| Bluebook | E.D., http://www.acronymgeek.com/E.D. (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, E.D., http://www.acronymgeek.com/E.D. (optional description here) (as of Feb. 17, 2012, 06:58). |
| AMA | E.D.. Acronym Geek. February 17, 2012, 06:58. Available at: http://www.acronymgeek.com/E.D.. Accessed February 17, 2012, 06:58. |