| APA | NNRN. (2012, February 17). In Acronym Geek. Retrieved 02:05, February 17, 2012, from http://www.acronymgeek.com/NNRN |
| MLA | "NNRN." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/NNRN>. |
| MHRA | 'NNRN', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/NNRN> [accessed 17 February 2012] |
| Chicago | "NNRN", http://www.acronymgeek.com/NNRN (accessed February 17, 2012). |
| CBE/CSE | NNRN [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/NNRN. |
| Bluebook | NNRN, http://www.acronymgeek.com/NNRN (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNRN, http://www.acronymgeek.com/NNRN (optional description here) (as of Feb. 17, 2012, 02:05). |
| AMA | NNRN. Acronym Geek. February 17, 2012, 02:05. Available at: http://www.acronymgeek.com/NNRN. Accessed February 17, 2012, 02:05. |