| APA | KHDN. (2012, February 11). In Acronym Geek. Retrieved 20:40, February 11, 2012, from http://www.acronymgeek.com/KHDN |
| MLA | "KHDN." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/KHDN>. |
| MHRA | 'KHDN', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/KHDN> [accessed 11 February 2012] |
| Chicago | "KHDN", http://www.acronymgeek.com/KHDN (accessed February 11, 2012). |
| CBE/CSE | KHDN [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/KHDN. |
| Bluebook | KHDN, http://www.acronymgeek.com/KHDN (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KHDN, http://www.acronymgeek.com/KHDN (optional description here) (as of Feb. 11, 2012, 20:40). |
| AMA | KHDN. Acronym Geek. February 11, 2012, 20:40. Available at: http://www.acronymgeek.com/KHDN. Accessed February 11, 2012, 20:40. |