| APA | KFS. (2012, February 13). In Acronym Geek. Retrieved 21:09, February 13, 2012, from http://www.acronymgeek.com/KFS |
| MLA | "KFS." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/KFS>. |
| MHRA | 'KFS', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/KFS> [accessed 13 February 2012] |
| Chicago | "KFS", http://www.acronymgeek.com/KFS (accessed February 13, 2012). |
| CBE/CSE | KFS [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/KFS. |
| Bluebook | KFS, http://www.acronymgeek.com/KFS (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KFS, http://www.acronymgeek.com/KFS (optional description here) (as of Feb. 13, 2012, 21:09). |
| AMA | KFS. Acronym Geek. February 13, 2012, 21:09. Available at: http://www.acronymgeek.com/KFS. Accessed February 13, 2012, 21:09. |