| APA | KHF. (2012, February 14). In Acronym Geek. Retrieved 09:21, February 14, 2012, from http://www.acronymgeek.com/KHF |
| MLA | "KHF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/KHF>. |
| MHRA | 'KHF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/KHF> [accessed 14 February 2012] |
| Chicago | "KHF", http://www.acronymgeek.com/KHF (accessed February 14, 2012). |
| CBE/CSE | KHF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/KHF. |
| Bluebook | KHF, http://www.acronymgeek.com/KHF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KHF, http://www.acronymgeek.com/KHF (optional description here) (as of Feb. 14, 2012, 09:21). |
| AMA | KHF. Acronym Geek. February 14, 2012, 09:21. Available at: http://www.acronymgeek.com/KHF. Accessed February 14, 2012, 09:21. |