| APA | E 911. (2012, February 10). In Acronym Geek. Retrieved 19:15, February 10, 2012, from http://www.acronymgeek.com/E 911 |
| MLA | "E 911." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/E 911>. |
| MHRA | 'E 911', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/E 911> [accessed 10 February 2012] |
| Chicago | "E 911", http://www.acronymgeek.com/E 911 (accessed February 10, 2012). |
| CBE/CSE | E 911 [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/E 911. |
| Bluebook | E 911, http://www.acronymgeek.com/E 911 (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, E 911, http://www.acronymgeek.com/E 911 (optional description here) (as of Feb. 10, 2012, 19:15). |
| AMA | E 911. Acronym Geek. February 10, 2012, 19:15. Available at: http://www.acronymgeek.com/E 911. Accessed February 10, 2012, 19:15. |