| APA | AAPO. (2012, February 15). In Acronym Geek. Retrieved 16:20, February 15, 2012, from http://www.acronymgeek.com/AAPO |
| MLA | "AAPO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/AAPO>. |
| MHRA | 'AAPO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/AAPO> [accessed 15 February 2012] |
| Chicago | "AAPO", http://www.acronymgeek.com/AAPO (accessed February 15, 2012). |
| CBE/CSE | AAPO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/AAPO. |
| Bluebook | AAPO, http://www.acronymgeek.com/AAPO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AAPO, http://www.acronymgeek.com/AAPO (optional description here) (as of Feb. 15, 2012, 16:20). |
| AMA | AAPO. Acronym Geek. February 15, 2012, 16:20. Available at: http://www.acronymgeek.com/AAPO. Accessed February 15, 2012, 16:20. |