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