| APA | PFNE. (2012, February 14). In Acronym Geek. Retrieved 20:25, February 14, 2012, from http://www.acronymgeek.com/PFNE |
| MLA | "PFNE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PFNE>. |
| MHRA | 'PFNE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PFNE> [accessed 14 February 2012] |
| Chicago | "PFNE", http://www.acronymgeek.com/PFNE (accessed February 14, 2012). |
| CBE/CSE | PFNE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PFNE. |
| Bluebook | PFNE, http://www.acronymgeek.com/PFNE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PFNE, http://www.acronymgeek.com/PFNE (optional description here) (as of Feb. 14, 2012, 20:25). |
| AMA | PFNE. Acronym Geek. February 14, 2012, 20:25. Available at: http://www.acronymgeek.com/PFNE. Accessed February 14, 2012, 20:25. |