| APA | KHEF. (2012, February 11). In Acronym Geek. Retrieved 22:19, February 11, 2012, from http://www.acronymgeek.com/KHEF |
| MLA | "KHEF." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/KHEF>. |
| MHRA | 'KHEF', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/KHEF> [accessed 11 February 2012] |
| Chicago | "KHEF", http://www.acronymgeek.com/KHEF (accessed February 11, 2012). |
| CBE/CSE | KHEF [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/KHEF. |
| Bluebook | KHEF, http://www.acronymgeek.com/KHEF (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KHEF, http://www.acronymgeek.com/KHEF (optional description here) (as of Feb. 11, 2012, 22:19). |
| AMA | KHEF. Acronym Geek. February 11, 2012, 22:19. Available at: http://www.acronymgeek.com/KHEF. Accessed February 11, 2012, 22:19. |