| APA | QKF. (2012, February 14). In Acronym Geek. Retrieved 09:34, February 14, 2012, from http://www.acronymgeek.com/QKF |
| MLA | "QKF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QKF>. |
| MHRA | 'QKF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QKF> [accessed 14 February 2012] |
| Chicago | "QKF", http://www.acronymgeek.com/QKF (accessed February 14, 2012). |
| CBE/CSE | QKF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QKF. |
| Bluebook | QKF, http://www.acronymgeek.com/QKF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QKF, http://www.acronymgeek.com/QKF (optional description here) (as of Feb. 14, 2012, 09:34). |
| AMA | QKF. Acronym Geek. February 14, 2012, 09:34. Available at: http://www.acronymgeek.com/QKF. Accessed February 14, 2012, 09:34. |