| APA | PSFE. (2012, February 17). In Acronym Geek. Retrieved 03:20, February 17, 2012, from http://www.acronymgeek.com/PSFE |
| MLA | "PSFE." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PSFE>. |
| MHRA | 'PSFE', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PSFE> [accessed 17 February 2012] |
| Chicago | "PSFE", http://www.acronymgeek.com/PSFE (accessed February 17, 2012). |
| CBE/CSE | PSFE [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PSFE. |
| Bluebook | PSFE, http://www.acronymgeek.com/PSFE (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PSFE, http://www.acronymgeek.com/PSFE (optional description here) (as of Feb. 17, 2012, 03:20). |
| AMA | PSFE. Acronym Geek. February 17, 2012, 03:20. Available at: http://www.acronymgeek.com/PSFE. Accessed February 17, 2012, 03:20. |