| APA | PO/AH. (2012, February 12). In Acronym Geek. Retrieved 07:42, February 12, 2012, from http://www.acronymgeek.com/PO/AH |
| MLA | "PO/AH." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PO/AH>. |
| MHRA | 'PO/AH', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PO/AH> [accessed 12 February 2012] |
| Chicago | "PO/AH", http://www.acronymgeek.com/PO/AH (accessed February 12, 2012). |
| CBE/CSE | PO/AH [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PO/AH. |
| Bluebook | PO/AH, http://www.acronymgeek.com/PO/AH (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PO/AH, http://www.acronymgeek.com/PO/AH (optional description here) (as of Feb. 12, 2012, 07:42). |
| AMA | PO/AH. Acronym Geek. February 12, 2012, 07:42. Available at: http://www.acronymgeek.com/PO/AH. Accessed February 12, 2012, 07:42. |