| APA | XKI. (2012, February 9). In Acronym Geek. Retrieved 14:17, February 9, 2012, from http://www.acronymgeek.com/XKI |
| MLA | "XKI." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/XKI>. |
| MHRA | 'XKI', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/XKI> [accessed 9 February 2012] |
| Chicago | "XKI", http://www.acronymgeek.com/XKI (accessed February 9, 2012). |
| CBE/CSE | XKI [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/XKI. |
| Bluebook | XKI, http://www.acronymgeek.com/XKI (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XKI, http://www.acronymgeek.com/XKI (optional description here) (as of Feb. 9, 2012, 14:17). |
| AMA | XKI. Acronym Geek. February 9, 2012, 14:17. Available at: http://www.acronymgeek.com/XKI. Accessed February 9, 2012, 14:17. |