| APA | QOY. (2012, February 14). In Acronym Geek. Retrieved 20:39, February 14, 2012, from http://www.acronymgeek.com/QOY |
| MLA | "QOY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QOY>. |
| MHRA | 'QOY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QOY> [accessed 14 February 2012] |
| Chicago | "QOY", http://www.acronymgeek.com/QOY (accessed February 14, 2012). |
| CBE/CSE | QOY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QOY. |
| Bluebook | QOY, http://www.acronymgeek.com/QOY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QOY, http://www.acronymgeek.com/QOY (optional description here) (as of Feb. 14, 2012, 20:39). |
| AMA | QOY. Acronym Geek. February 14, 2012, 20:39. Available at: http://www.acronymgeek.com/QOY. Accessed February 14, 2012, 20:39. |