| APA | XPAK. (2012, February 17). In Acronym Geek. Retrieved 03:40, February 17, 2012, from http://www.acronymgeek.com/XPAK |
| MLA | "XPAK." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/XPAK>. |
| MHRA | 'XPAK', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/XPAK> [accessed 17 February 2012] |
| Chicago | "XPAK", http://www.acronymgeek.com/XPAK (accessed February 17, 2012). |
| CBE/CSE | XPAK [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/XPAK. |
| Bluebook | XPAK, http://www.acronymgeek.com/XPAK (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XPAK, http://www.acronymgeek.com/XPAK (optional description here) (as of Feb. 17, 2012, 03:40). |
| AMA | XPAK. Acronym Geek. February 17, 2012, 03:40. Available at: http://www.acronymgeek.com/XPAK. Accessed February 17, 2012, 03:40. |