| APA | XLL. (2012, February 14). In Acronym Geek. Retrieved 19:13, February 14, 2012, from http://www.acronymgeek.com/XLL |
| MLA | "XLL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XLL>. |
| MHRA | 'XLL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XLL> [accessed 14 February 2012] |
| Chicago | "XLL", http://www.acronymgeek.com/XLL (accessed February 14, 2012). |
| CBE/CSE | XLL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XLL. |
| Bluebook | XLL, http://www.acronymgeek.com/XLL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XLL, http://www.acronymgeek.com/XLL (optional description here) (as of Feb. 14, 2012, 19:13). |
| AMA | XLL. Acronym Geek. February 14, 2012, 19:13. Available at: http://www.acronymgeek.com/XLL. Accessed February 14, 2012, 19:13. |