| APA | QAPO. (2012, February 16). In Acronym Geek. Retrieved 03:55, February 16, 2012, from http://www.acronymgeek.com/QAPO |
| MLA | "QAPO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/QAPO>. |
| MHRA | 'QAPO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/QAPO> [accessed 16 February 2012] |
| Chicago | "QAPO", http://www.acronymgeek.com/QAPO (accessed February 16, 2012). |
| CBE/CSE | QAPO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/QAPO. |
| Bluebook | QAPO, http://www.acronymgeek.com/QAPO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QAPO, http://www.acronymgeek.com/QAPO (optional description here) (as of Feb. 16, 2012, 03:55). |
| AMA | QAPO. Acronym Geek. February 16, 2012, 03:55. Available at: http://www.acronymgeek.com/QAPO. Accessed February 16, 2012, 03:55. |