| APA | QYSO. (2012, February 15). In Acronym Geek. Retrieved 00:54, February 15, 2012, from http://www.acronymgeek.com/QYSO |
| MLA | "QYSO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QYSO>. |
| MHRA | 'QYSO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QYSO> [accessed 15 February 2012] |
| Chicago | "QYSO", http://www.acronymgeek.com/QYSO (accessed February 15, 2012). |
| CBE/CSE | QYSO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QYSO. |
| Bluebook | QYSO, http://www.acronymgeek.com/QYSO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QYSO, http://www.acronymgeek.com/QYSO (optional description here) (as of Feb. 15, 2012, 00:54). |
| AMA | QYSO. Acronym Geek. February 15, 2012, 00:54. Available at: http://www.acronymgeek.com/QYSO. Accessed February 15, 2012, 00:54. |