| APA | XKS. (2012, February 14). In Acronym Geek. Retrieved 19:26, February 14, 2012, from http://www.acronymgeek.com/XKS |
| MLA | "XKS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XKS>. |
| MHRA | 'XKS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XKS> [accessed 14 February 2012] |
| Chicago | "XKS", http://www.acronymgeek.com/XKS (accessed February 14, 2012). |
| CBE/CSE | XKS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XKS. |
| Bluebook | XKS, http://www.acronymgeek.com/XKS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XKS, http://www.acronymgeek.com/XKS (optional description here) (as of Feb. 14, 2012, 19:26). |
| AMA | XKS. Acronym Geek. February 14, 2012, 19:26. Available at: http://www.acronymgeek.com/XKS. Accessed February 14, 2012, 19:26. |