| APA | XLU. (2012, February 14). In Acronym Geek. Retrieved 11:10, February 14, 2012, from http://www.acronymgeek.com/XLU |
| MLA | "XLU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XLU>. |
| MHRA | 'XLU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XLU> [accessed 14 February 2012] |
| Chicago | "XLU", http://www.acronymgeek.com/XLU (accessed February 14, 2012). |
| CBE/CSE | XLU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XLU. |
| Bluebook | XLU, http://www.acronymgeek.com/XLU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XLU, http://www.acronymgeek.com/XLU (optional description here) (as of Feb. 14, 2012, 11:10). |
| AMA | XLU. Acronym Geek. February 14, 2012, 11:10. Available at: http://www.acronymgeek.com/XLU. Accessed February 14, 2012, 11:10. |