| APA | NPFN. (2012, February 17). In Acronym Geek. Retrieved 07:39, February 17, 2012, from http://www.acronymgeek.com/NPFN |
| MLA | "NPFN." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/NPFN>. |
| MHRA | 'NPFN', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/NPFN> [accessed 17 February 2012] |
| Chicago | "NPFN", http://www.acronymgeek.com/NPFN (accessed February 17, 2012). |
| CBE/CSE | NPFN [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/NPFN. |
| Bluebook | NPFN, http://www.acronymgeek.com/NPFN (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPFN, http://www.acronymgeek.com/NPFN (optional description here) (as of Feb. 17, 2012, 07:39). |
| AMA | NPFN. Acronym Geek. February 17, 2012, 07:39. Available at: http://www.acronymgeek.com/NPFN. Accessed February 17, 2012, 07:39. |