| APA | NRN. (2012, February 9). In Acronym Geek. Retrieved 20:40, February 9, 2012, from http://www.acronymgeek.com/NRN |
| MLA | "NRN." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/NRN>. |
| MHRA | 'NRN', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/NRN> [accessed 9 February 2012] |
| Chicago | "NRN", http://www.acronymgeek.com/NRN (accessed February 9, 2012). |
| CBE/CSE | NRN [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/NRN. |
| Bluebook | NRN, http://www.acronymgeek.com/NRN (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NRN, http://www.acronymgeek.com/NRN (optional description here) (as of Feb. 9, 2012, 20:40). |
| AMA | NRN. Acronym Geek. February 9, 2012, 20:40. Available at: http://www.acronymgeek.com/NRN. Accessed February 9, 2012, 20:40. |