| APA | KPEF. (2012, February 16). In Acronym Geek. Retrieved 08:16, February 16, 2012, from http://www.acronymgeek.com/KPEF |
| MLA | "KPEF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/KPEF>. |
| MHRA | 'KPEF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/KPEF> [accessed 16 February 2012] |
| Chicago | "KPEF", http://www.acronymgeek.com/KPEF (accessed February 16, 2012). |
| CBE/CSE | KPEF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/KPEF. |
| Bluebook | KPEF, http://www.acronymgeek.com/KPEF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KPEF, http://www.acronymgeek.com/KPEF (optional description here) (as of Feb. 16, 2012, 08:16). |
| AMA | KPEF. Acronym Geek. February 16, 2012, 08:16. Available at: http://www.acronymgeek.com/KPEF. Accessed February 16, 2012, 08:16. |