| APA | QOSI. (2012, February 16). In Acronym Geek. Retrieved 18:15, February 16, 2012, from http://www.acronymgeek.com/QOSI |
| MLA | "QOSI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/QOSI>. |
| MHRA | 'QOSI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/QOSI> [accessed 16 February 2012] |
| Chicago | "QOSI", http://www.acronymgeek.com/QOSI (accessed February 16, 2012). |
| CBE/CSE | QOSI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/QOSI. |
| Bluebook | QOSI, http://www.acronymgeek.com/QOSI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QOSI, http://www.acronymgeek.com/QOSI (optional description here) (as of Feb. 16, 2012, 18:15). |
| AMA | QOSI. Acronym Geek. February 16, 2012, 18:15. Available at: http://www.acronymgeek.com/QOSI. Accessed February 16, 2012, 18:15. |