| APA | CDE. (2012, February 4). In Acronym Geek. Retrieved 12:11, February 4, 2012, from http://www.acronymgeek.com/CDE |
| MLA | "CDE." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/CDE>. |
| MHRA | 'CDE', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/CDE> [accessed 4 February 2012] |
| Chicago | "CDE", http://www.acronymgeek.com/CDE (accessed February 4, 2012). |
| CBE/CSE | CDE [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/CDE. |
| Bluebook | CDE, http://www.acronymgeek.com/CDE (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CDE, http://www.acronymgeek.com/CDE (optional description here) (as of Feb. 4, 2012, 12:11). |
| AMA | CDE. Acronym Geek. February 4, 2012, 12:11. Available at: http://www.acronymgeek.com/CDE. Accessed February 4, 2012, 12:11. |