| APA | XKA. (2012, February 10). In Acronym Geek. Retrieved 09:41, February 10, 2012, from http://www.acronymgeek.com/XKA |
| MLA | "XKA." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/XKA>. |
| MHRA | 'XKA', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/XKA> [accessed 10 February 2012] |
| Chicago | "XKA", http://www.acronymgeek.com/XKA (accessed February 10, 2012). |
| CBE/CSE | XKA [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/XKA. |
| Bluebook | XKA, http://www.acronymgeek.com/XKA (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XKA, http://www.acronymgeek.com/XKA (optional description here) (as of Feb. 10, 2012, 09:41). |
| AMA | XKA. Acronym Geek. February 10, 2012, 09:41. Available at: http://www.acronymgeek.com/XKA. Accessed February 10, 2012, 09:41. |