| APA | KN.. (2012, February 11). In Acronym Geek. Retrieved 18:13, February 11, 2012, from http://www.acronymgeek.com/KN. |
| MLA | "KN.." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/KN.>. |
| MHRA | 'KN.', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/KN.> [accessed 11 February 2012] |
| Chicago | "KN.", http://www.acronymgeek.com/KN. (accessed February 11, 2012). |
| CBE/CSE | KN. [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/KN.. |
| Bluebook | KN., http://www.acronymgeek.com/KN. (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KN., http://www.acronymgeek.com/KN. (optional description here) (as of Feb. 11, 2012, 18:13). |
| AMA | KN.. Acronym Geek. February 11, 2012, 18:13. Available at: http://www.acronymgeek.com/KN.. Accessed February 11, 2012, 18:13. |