| APA | XKC. (2012, February 13). In Acronym Geek. Retrieved 23:39, February 13, 2012, from http://www.acronymgeek.com/XKC |
| MLA | "XKC." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/XKC>. |
| MHRA | 'XKC', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/XKC> [accessed 13 February 2012] |
| Chicago | "XKC", http://www.acronymgeek.com/XKC (accessed February 13, 2012). |
| CBE/CSE | XKC [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/XKC. |
| Bluebook | XKC, http://www.acronymgeek.com/XKC (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XKC, http://www.acronymgeek.com/XKC (optional description here) (as of Feb. 13, 2012, 23:39). |
| AMA | XKC. Acronym Geek. February 13, 2012, 23:39. Available at: http://www.acronymgeek.com/XKC. Accessed February 13, 2012, 23:39. |