| APA | NNFN. (2012, February 16). In Acronym Geek. Retrieved 22:03, February 16, 2012, from http://www.acronymgeek.com/NNFN |
| MLA | "NNFN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NNFN>. |
| MHRA | 'NNFN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NNFN> [accessed 16 February 2012] |
| Chicago | "NNFN", http://www.acronymgeek.com/NNFN (accessed February 16, 2012). |
| CBE/CSE | NNFN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NNFN. |
| Bluebook | NNFN, http://www.acronymgeek.com/NNFN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNFN, http://www.acronymgeek.com/NNFN (optional description here) (as of Feb. 16, 2012, 22:03). |
| AMA | NNFN. Acronym Geek. February 16, 2012, 22:03. Available at: http://www.acronymgeek.com/NNFN. Accessed February 16, 2012, 22:03. |