| APA | PFNS. (2012, February 15). In Acronym Geek. Retrieved 11:25, February 15, 2012, from http://www.acronymgeek.com/PFNS |
| MLA | "PFNS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PFNS>. |
| MHRA | 'PFNS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PFNS> [accessed 15 February 2012] |
| Chicago | "PFNS", http://www.acronymgeek.com/PFNS (accessed February 15, 2012). |
| CBE/CSE | PFNS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PFNS. |
| Bluebook | PFNS, http://www.acronymgeek.com/PFNS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PFNS, http://www.acronymgeek.com/PFNS (optional description here) (as of Feb. 15, 2012, 11:25). |
| AMA | PFNS. Acronym Geek. February 15, 2012, 11:25. Available at: http://www.acronymgeek.com/PFNS. Accessed February 15, 2012, 11:25. |