| APA | QKOF. (2012, February 15). In Acronym Geek. Retrieved 00:27, February 15, 2012, from http://www.acronymgeek.com/QKOF |
| MLA | "QKOF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QKOF>. |
| MHRA | 'QKOF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QKOF> [accessed 15 February 2012] |
| Chicago | "QKOF", http://www.acronymgeek.com/QKOF (accessed February 15, 2012). |
| CBE/CSE | QKOF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QKOF. |
| Bluebook | QKOF, http://www.acronymgeek.com/QKOF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QKOF, http://www.acronymgeek.com/QKOF (optional description here) (as of Feb. 15, 2012, 00:27). |
| AMA | QKOF. Acronym Geek. February 15, 2012, 00:27. Available at: http://www.acronymgeek.com/QKOF. Accessed February 15, 2012, 00:27. |