| APA | XPIV. (2012, February 15). In Acronym Geek. Retrieved 09:23, February 15, 2012, from http://www.acronymgeek.com/XPIV |
| MLA | "XPIV." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XPIV>. |
| MHRA | 'XPIV', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XPIV> [accessed 15 February 2012] |
| Chicago | "XPIV", http://www.acronymgeek.com/XPIV (accessed February 15, 2012). |
| CBE/CSE | XPIV [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XPIV. |
| Bluebook | XPIV, http://www.acronymgeek.com/XPIV (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XPIV, http://www.acronymgeek.com/XPIV (optional description here) (as of Feb. 15, 2012, 09:23). |
| AMA | XPIV. Acronym Geek. February 15, 2012, 09:23. Available at: http://www.acronymgeek.com/XPIV. Accessed February 15, 2012, 09:23. |