| APA | XPFA. (2012, February 14). In Acronym Geek. Retrieved 23:30, February 14, 2012, from http://www.acronymgeek.com/XPFA |
| MLA | "XPFA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XPFA>. |
| MHRA | 'XPFA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XPFA> [accessed 14 February 2012] |
| Chicago | "XPFA", http://www.acronymgeek.com/XPFA (accessed February 14, 2012). |
| CBE/CSE | XPFA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XPFA. |
| Bluebook | XPFA, http://www.acronymgeek.com/XPFA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XPFA, http://www.acronymgeek.com/XPFA (optional description here) (as of Feb. 14, 2012, 23:30). |
| AMA | XPFA. Acronym Geek. February 14, 2012, 23:30. Available at: http://www.acronymgeek.com/XPFA. Accessed February 14, 2012, 23:30. |