| APA | XPAC. (2012, February 16). In Acronym Geek. Retrieved 23:12, February 16, 2012, from http://www.acronymgeek.com/XPAC |
| MLA | "XPAC." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/XPAC>. |
| MHRA | 'XPAC', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/XPAC> [accessed 16 February 2012] |
| Chicago | "XPAC", http://www.acronymgeek.com/XPAC (accessed February 16, 2012). |
| CBE/CSE | XPAC [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/XPAC. |
| Bluebook | XPAC, http://www.acronymgeek.com/XPAC (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XPAC, http://www.acronymgeek.com/XPAC (optional description here) (as of Feb. 16, 2012, 23:12). |
| AMA | XPAC. Acronym Geek. February 16, 2012, 23:12. Available at: http://www.acronymgeek.com/XPAC. Accessed February 16, 2012, 23:12. |