| APA | HKNS. (2012, February 15). In Acronym Geek. Retrieved 04:50, February 15, 2012, from http://www.acronymgeek.com/HKNS |
| MLA | "HKNS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HKNS>. |
| MHRA | 'HKNS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HKNS> [accessed 15 February 2012] |
| Chicago | "HKNS", http://www.acronymgeek.com/HKNS (accessed February 15, 2012). |
| CBE/CSE | HKNS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HKNS. |
| Bluebook | HKNS, http://www.acronymgeek.com/HKNS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKNS, http://www.acronymgeek.com/HKNS (optional description here) (as of Feb. 15, 2012, 04:50). |
| AMA | HKNS. Acronym Geek. February 15, 2012, 04:50. Available at: http://www.acronymgeek.com/HKNS. Accessed February 15, 2012, 04:50. |