| APA | OFPA. (2012, February 16). In Acronym Geek. Retrieved 23:53, February 16, 2012, from http://www.acronymgeek.com/OFPA |
| MLA | "OFPA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OFPA>. |
| MHRA | 'OFPA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OFPA> [accessed 16 February 2012] |
| Chicago | "OFPA", http://www.acronymgeek.com/OFPA (accessed February 16, 2012). |
| CBE/CSE | OFPA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OFPA. |
| Bluebook | OFPA, http://www.acronymgeek.com/OFPA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OFPA, http://www.acronymgeek.com/OFPA (optional description here) (as of Feb. 16, 2012, 23:53). |
| AMA | OFPA. Acronym Geek. February 16, 2012, 23:53. Available at: http://www.acronymgeek.com/OFPA. Accessed February 16, 2012, 23:53. |