| APA | ONPF. (2012, February 15). In Acronym Geek. Retrieved 02:32, February 15, 2012, from http://www.acronymgeek.com/ONPF |
| MLA | "ONPF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ONPF>. |
| MHRA | 'ONPF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ONPF> [accessed 15 February 2012] |
| Chicago | "ONPF", http://www.acronymgeek.com/ONPF (accessed February 15, 2012). |
| CBE/CSE | ONPF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ONPF. |
| Bluebook | ONPF, http://www.acronymgeek.com/ONPF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ONPF, http://www.acronymgeek.com/ONPF (optional description here) (as of Feb. 15, 2012, 02:32). |
| AMA | ONPF. Acronym Geek. February 15, 2012, 02:32. Available at: http://www.acronymgeek.com/ONPF. Accessed February 15, 2012, 02:32. |