| APA | KHE. (2012, February 11). In Acronym Geek. Retrieved 22:49, February 11, 2012, from http://www.acronymgeek.com/KHE |
| MLA | "KHE." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/KHE>. |
| MHRA | 'KHE', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/KHE> [accessed 11 February 2012] |
| Chicago | "KHE", http://www.acronymgeek.com/KHE (accessed February 11, 2012). |
| CBE/CSE | KHE [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/KHE. |
| Bluebook | KHE, http://www.acronymgeek.com/KHE (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KHE, http://www.acronymgeek.com/KHE (optional description here) (as of Feb. 11, 2012, 22:49). |
| AMA | KHE. Acronym Geek. February 11, 2012, 22:49. Available at: http://www.acronymgeek.com/KHE. Accessed February 11, 2012, 22:49. |