| APA | XPDU. (2012, February 16). In Acronym Geek. Retrieved 05:15, February 16, 2012, from http://www.acronymgeek.com/XPDU |
| MLA | "XPDU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/XPDU>. |
| MHRA | 'XPDU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/XPDU> [accessed 16 February 2012] |
| Chicago | "XPDU", http://www.acronymgeek.com/XPDU (accessed February 16, 2012). |
| CBE/CSE | XPDU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/XPDU. |
| Bluebook | XPDU, http://www.acronymgeek.com/XPDU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XPDU, http://www.acronymgeek.com/XPDU (optional description here) (as of Feb. 16, 2012, 05:15). |
| AMA | XPDU. Acronym Geek. February 16, 2012, 05:15. Available at: http://www.acronymgeek.com/XPDU. Accessed February 16, 2012, 05:15. |