| APA | XCDE. (2012, February 16). In Acronym Geek. Retrieved 21:30, February 16, 2012, from http://www.acronymgeek.com/XCDE |
| MLA | "XCDE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/XCDE>. |
| MHRA | 'XCDE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/XCDE> [accessed 16 February 2012] |
| Chicago | "XCDE", http://www.acronymgeek.com/XCDE (accessed February 16, 2012). |
| CBE/CSE | XCDE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/XCDE. |
| Bluebook | XCDE, http://www.acronymgeek.com/XCDE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XCDE, http://www.acronymgeek.com/XCDE (optional description here) (as of Feb. 16, 2012, 21:30). |
| AMA | XCDE. Acronym Geek. February 16, 2012, 21:30. Available at: http://www.acronymgeek.com/XCDE. Accessed February 16, 2012, 21:30. |