| APA | QOQ. (2012, February 11). In Acronym Geek. Retrieved 22:50, February 11, 2012, from http://www.acronymgeek.com/QOQ |
| MLA | "QOQ." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/QOQ>. |
| MHRA | 'QOQ', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/QOQ> [accessed 11 February 2012] |
| Chicago | "QOQ", http://www.acronymgeek.com/QOQ (accessed February 11, 2012). |
| CBE/CSE | QOQ [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/QOQ. |
| Bluebook | QOQ, http://www.acronymgeek.com/QOQ (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QOQ, http://www.acronymgeek.com/QOQ (optional description here) (as of Feb. 11, 2012, 22:50). |
| AMA | QOQ. Acronym Geek. February 11, 2012, 22:50. Available at: http://www.acronymgeek.com/QOQ. Accessed February 11, 2012, 22:50. |