| APA | /E. (2012, February 10). In Acronym Geek. Retrieved 11:43, February 10, 2012, from http://www.acronymgeek.com//E |
| MLA | "/E." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com//E>. |
| MHRA | '/E', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com//E> [accessed 10 February 2012] |
| Chicago | "/E", http://www.acronymgeek.com//E (accessed February 10, 2012). |
| CBE/CSE | /E [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com//E. |
| Bluebook | /E, http://www.acronymgeek.com//E (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, /E, http://www.acronymgeek.com//E (optional description here) (as of Feb. 10, 2012, 11:43). |
| AMA | /E. Acronym Geek. February 10, 2012, 11:43. Available at: http://www.acronymgeek.com//E. Accessed February 10, 2012, 11:43. |