| APA | KFK. (2012, February 14). In Acronym Geek. Retrieved 19:18, February 14, 2012, from http://www.acronymgeek.com/KFK |
| MLA | "KFK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/KFK>. |
| MHRA | 'KFK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/KFK> [accessed 14 February 2012] |
| Chicago | "KFK", http://www.acronymgeek.com/KFK (accessed February 14, 2012). |
| CBE/CSE | KFK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/KFK. |
| Bluebook | KFK, http://www.acronymgeek.com/KFK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KFK, http://www.acronymgeek.com/KFK (optional description here) (as of Feb. 14, 2012, 19:18). |
| AMA | KFK. Acronym Geek. February 14, 2012, 19:18. Available at: http://www.acronymgeek.com/KFK. Accessed February 14, 2012, 19:18. |