| APA | HKNF. (2012, February 16). In Acronym Geek. Retrieved 23:00, February 16, 2012, from http://www.acronymgeek.com/HKNF |
| MLA | "HKNF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HKNF>. |
| MHRA | 'HKNF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HKNF> [accessed 16 February 2012] |
| Chicago | "HKNF", http://www.acronymgeek.com/HKNF (accessed February 16, 2012). |
| CBE/CSE | HKNF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HKNF. |
| Bluebook | HKNF, http://www.acronymgeek.com/HKNF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKNF, http://www.acronymgeek.com/HKNF (optional description here) (as of Feb. 16, 2012, 23:00). |
| AMA | HKNF. Acronym Geek. February 16, 2012, 23:00. Available at: http://www.acronymgeek.com/HKNF. Accessed February 16, 2012, 23:00. |