| APA | AHEO. (2012, February 12). In Acronym Geek. Retrieved 00:03, February 12, 2012, from http://www.acronymgeek.com/AHEO |
| MLA | "AHEO." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/AHEO>. |
| MHRA | 'AHEO', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/AHEO> [accessed 12 February 2012] |
| Chicago | "AHEO", http://www.acronymgeek.com/AHEO (accessed February 12, 2012). |
| CBE/CSE | AHEO [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/AHEO. |
| Bluebook | AHEO, http://www.acronymgeek.com/AHEO (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AHEO, http://www.acronymgeek.com/AHEO (optional description here) (as of Feb. 12, 2012, 00:03). |
| AMA | AHEO. Acronym Geek. February 12, 2012, 00:03. Available at: http://www.acronymgeek.com/AHEO. Accessed February 12, 2012, 00:03. |