| APA | NN. (2012, February 4). In Acronym Geek. Retrieved 11:45, February 4, 2012, from http://www.acronymgeek.com/NN |
| MLA | "NN." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/NN>. |
| MHRA | 'NN', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/NN> [accessed 4 February 2012] |
| Chicago | "NN", http://www.acronymgeek.com/NN (accessed February 4, 2012). |
| CBE/CSE | NN [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/NN. |
| Bluebook | NN, http://www.acronymgeek.com/NN (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NN, http://www.acronymgeek.com/NN (optional description here) (as of Feb. 4, 2012, 11:45). |
| AMA | NN. Acronym Geek. February 4, 2012, 11:45. Available at: http://www.acronymgeek.com/NN. Accessed February 4, 2012, 11:45. |