| APA | QAOP. (2012, February 16). In Acronym Geek. Retrieved 02:39, February 16, 2012, from http://www.acronymgeek.com/QAOP |
| MLA | "QAOP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/QAOP>. |
| MHRA | 'QAOP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/QAOP> [accessed 16 February 2012] |
| Chicago | "QAOP", http://www.acronymgeek.com/QAOP (accessed February 16, 2012). |
| CBE/CSE | QAOP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/QAOP. |
| Bluebook | QAOP, http://www.acronymgeek.com/QAOP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QAOP, http://www.acronymgeek.com/QAOP (optional description here) (as of Feb. 16, 2012, 02:39). |
| AMA | QAOP. Acronym Geek. February 16, 2012, 02:39. Available at: http://www.acronymgeek.com/QAOP. Accessed February 16, 2012, 02:39. |