| APA | CDX. (2012, February 14). In Acronym Geek. Retrieved 07:30, February 14, 2012, from http://www.acronymgeek.com/CDX |
| MLA | "CDX." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CDX>. |
| MHRA | 'CDX', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CDX> [accessed 14 February 2012] |
| Chicago | "CDX", http://www.acronymgeek.com/CDX (accessed February 14, 2012). |
| CBE/CSE | CDX [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CDX. |
| Bluebook | CDX, http://www.acronymgeek.com/CDX (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CDX, http://www.acronymgeek.com/CDX (optional description here) (as of Feb. 14, 2012, 07:30). |
| AMA | CDX. Acronym Geek. February 14, 2012, 07:30. Available at: http://www.acronymgeek.com/CDX. Accessed February 14, 2012, 07:30. |