| APA | KN. (2012, February 10). In Acronym Geek. Retrieved 10:32, February 10, 2012, from http://www.acronymgeek.com/KN |
| MLA | "KN." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/KN>. |
| MHRA | 'KN', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/KN> [accessed 10 February 2012] |
| Chicago | "KN", http://www.acronymgeek.com/KN (accessed February 10, 2012). |
| CBE/CSE | KN [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/KN. |
| Bluebook | KN, http://www.acronymgeek.com/KN (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KN, http://www.acronymgeek.com/KN (optional description here) (as of Feb. 10, 2012, 10:32). |
| AMA | KN. Acronym Geek. February 10, 2012, 10:32. Available at: http://www.acronymgeek.com/KN. Accessed February 10, 2012, 10:32. |