| APA | PFR. (2012, February 14). In Acronym Geek. Retrieved 10:43, February 14, 2012, from http://www.acronymgeek.com/PFR |
| MLA | "PFR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PFR>. |
| MHRA | 'PFR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PFR> [accessed 14 February 2012] |
| Chicago | "PFR", http://www.acronymgeek.com/PFR (accessed February 14, 2012). |
| CBE/CSE | PFR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PFR. |
| Bluebook | PFR, http://www.acronymgeek.com/PFR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PFR, http://www.acronymgeek.com/PFR (optional description here) (as of Feb. 14, 2012, 10:43). |
| AMA | PFR. Acronym Geek. February 14, 2012, 10:43. Available at: http://www.acronymgeek.com/PFR. Accessed February 14, 2012, 10:43. |