| APA | XTU. (2012, February 14). In Acronym Geek. Retrieved 09:20, February 14, 2012, from http://www.acronymgeek.com/XTU |
| MLA | "XTU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XTU>. |
| MHRA | 'XTU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XTU> [accessed 14 February 2012] |
| Chicago | "XTU", http://www.acronymgeek.com/XTU (accessed February 14, 2012). |
| CBE/CSE | XTU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XTU. |
| Bluebook | XTU, http://www.acronymgeek.com/XTU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XTU, http://www.acronymgeek.com/XTU (optional description here) (as of Feb. 14, 2012, 09:20). |
| AMA | XTU. Acronym Geek. February 14, 2012, 09:20. Available at: http://www.acronymgeek.com/XTU. Accessed February 14, 2012, 09:20. |