| APA | NNFY. (2012, February 16). In Acronym Geek. Retrieved 18:50, February 16, 2012, from http://www.acronymgeek.com/NNFY |
| MLA | "NNFY." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NNFY>. |
| MHRA | 'NNFY', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NNFY> [accessed 16 February 2012] |
| Chicago | "NNFY", http://www.acronymgeek.com/NNFY (accessed February 16, 2012). |
| CBE/CSE | NNFY [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NNFY. |
| Bluebook | NNFY, http://www.acronymgeek.com/NNFY (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNFY, http://www.acronymgeek.com/NNFY (optional description here) (as of Feb. 16, 2012, 18:50). |
| AMA | NNFY. Acronym Geek. February 16, 2012, 18:50. Available at: http://www.acronymgeek.com/NNFY. Accessed February 16, 2012, 18:50. |