| APA | AEN. (2012, February 13). In Acronym Geek. Retrieved 21:37, February 13, 2012, from http://www.acronymgeek.com/AEN |
| MLA | "AEN." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/AEN>. |
| MHRA | 'AEN', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/AEN> [accessed 13 February 2012] |
| Chicago | "AEN", http://www.acronymgeek.com/AEN (accessed February 13, 2012). |
| CBE/CSE | AEN [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/AEN. |
| Bluebook | AEN, http://www.acronymgeek.com/AEN (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AEN, http://www.acronymgeek.com/AEN (optional description here) (as of Feb. 13, 2012, 21:37). |
| AMA | AEN. Acronym Geek. February 13, 2012, 21:37. Available at: http://www.acronymgeek.com/AEN. Accessed February 13, 2012, 21:37. |