| APA | KFR. (2012, February 14). In Acronym Geek. Retrieved 20:33, February 14, 2012, from http://www.acronymgeek.com/KFR |
| MLA | "KFR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/KFR>. |
| MHRA | 'KFR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/KFR> [accessed 14 February 2012] |
| Chicago | "KFR", http://www.acronymgeek.com/KFR (accessed February 14, 2012). |
| CBE/CSE | KFR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/KFR. |
| Bluebook | KFR, http://www.acronymgeek.com/KFR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KFR, http://www.acronymgeek.com/KFR (optional description here) (as of Feb. 14, 2012, 20:33). |
| AMA | KFR. Acronym Geek. February 14, 2012, 20:33. Available at: http://www.acronymgeek.com/KFR. Accessed February 14, 2012, 20:33. |