| APA | AEIN. (2012, February 15). In Acronym Geek. Retrieved 18:32, February 15, 2012, from http://www.acronymgeek.com/AEIN |
| MLA | "AEIN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/AEIN>. |
| MHRA | 'AEIN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/AEIN> [accessed 15 February 2012] |
| Chicago | "AEIN", http://www.acronymgeek.com/AEIN (accessed February 15, 2012). |
| CBE/CSE | AEIN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/AEIN. |
| Bluebook | AEIN, http://www.acronymgeek.com/AEIN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AEIN, http://www.acronymgeek.com/AEIN (optional description here) (as of Feb. 15, 2012, 18:32). |
| AMA | AEIN. Acronym Geek. February 15, 2012, 18:32. Available at: http://www.acronymgeek.com/AEIN. Accessed February 15, 2012, 18:32. |