| APA | KF. (2012, February 14). In Acronym Geek. Retrieved 06:21, February 14, 2012, from http://www.acronymgeek.com/KF |
| MLA | "KF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/KF>. |
| MHRA | 'KF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/KF> [accessed 14 February 2012] |
| Chicago | "KF", http://www.acronymgeek.com/KF (accessed February 14, 2012). |
| CBE/CSE | KF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/KF. |
| Bluebook | KF, http://www.acronymgeek.com/KF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KF, http://www.acronymgeek.com/KF (optional description here) (as of Feb. 14, 2012, 06:21). |
| AMA | KF. Acronym Geek. February 14, 2012, 06:21. Available at: http://www.acronymgeek.com/KF. Accessed February 14, 2012, 06:21. |