| APA | NNF. (2012, February 14). In Acronym Geek. Retrieved 07:14, February 14, 2012, from http://www.acronymgeek.com/NNF |
| MLA | "NNF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NNF>. |
| MHRA | 'NNF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NNF> [accessed 14 February 2012] |
| Chicago | "NNF", http://www.acronymgeek.com/NNF (accessed February 14, 2012). |
| CBE/CSE | NNF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NNF. |
| Bluebook | NNF, http://www.acronymgeek.com/NNF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNF, http://www.acronymgeek.com/NNF (optional description here) (as of Feb. 14, 2012, 07:14). |
| AMA | NNF. Acronym Geek. February 14, 2012, 07:14. Available at: http://www.acronymgeek.com/NNF. Accessed February 14, 2012, 07:14. |