| APA | PFOD. (2012, February 14). In Acronym Geek. Retrieved 20:05, February 14, 2012, from http://www.acronymgeek.com/PFOD |
| MLA | "PFOD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PFOD>. |
| MHRA | 'PFOD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PFOD> [accessed 14 February 2012] |
| Chicago | "PFOD", http://www.acronymgeek.com/PFOD (accessed February 14, 2012). |
| CBE/CSE | PFOD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PFOD. |
| Bluebook | PFOD, http://www.acronymgeek.com/PFOD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PFOD, http://www.acronymgeek.com/PFOD (optional description here) (as of Feb. 14, 2012, 20:05). |
| AMA | PFOD. Acronym Geek. February 14, 2012, 20:05. Available at: http://www.acronymgeek.com/PFOD. Accessed February 14, 2012, 20:05. |