| APA | XWU. (2012, February 14). In Acronym Geek. Retrieved 11:06, February 14, 2012, from http://www.acronymgeek.com/XWU |
| MLA | "XWU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XWU>. |
| MHRA | 'XWU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XWU> [accessed 14 February 2012] |
| Chicago | "XWU", http://www.acronymgeek.com/XWU (accessed February 14, 2012). |
| CBE/CSE | XWU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XWU. |
| Bluebook | XWU, http://www.acronymgeek.com/XWU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XWU, http://www.acronymgeek.com/XWU (optional description here) (as of Feb. 14, 2012, 11:06). |
| AMA | XWU. Acronym Geek. February 14, 2012, 11:06. Available at: http://www.acronymgeek.com/XWU. Accessed February 14, 2012, 11:06. |