| APA | N9S. (2012, February 13). In Acronym Geek. Retrieved 23:57, February 13, 2012, from http://www.acronymgeek.com/N9S |
| MLA | "N9S." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/N9S>. |
| MHRA | 'N9S', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/N9S> [accessed 13 February 2012] |
| Chicago | "N9S", http://www.acronymgeek.com/N9S (accessed February 13, 2012). |
| CBE/CSE | N9S [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/N9S. |
| Bluebook | N9S, http://www.acronymgeek.com/N9S (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, N9S, http://www.acronymgeek.com/N9S (optional description here) (as of Feb. 13, 2012, 23:57). |
| AMA | N9S. Acronym Geek. February 13, 2012, 23:57. Available at: http://www.acronymgeek.com/N9S. Accessed February 13, 2012, 23:57. |