| APA | XD. (2012, February 9). In Acronym Geek. Retrieved 17:59, February 9, 2012, from http://www.acronymgeek.com/XD |
| MLA | "XD." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/XD>. |
| MHRA | 'XD', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/XD> [accessed 9 February 2012] |
| Chicago | "XD", http://www.acronymgeek.com/XD (accessed February 9, 2012). |
| CBE/CSE | XD [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/XD. |
| Bluebook | XD, http://www.acronymgeek.com/XD (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XD, http://www.acronymgeek.com/XD (optional description here) (as of Feb. 9, 2012, 17:59). |
| AMA | XD. Acronym Geek. February 9, 2012, 17:59. Available at: http://www.acronymgeek.com/XD. Accessed February 9, 2012, 17:59. |