| APA | CRDE. (2012, February 14). In Acronym Geek. Retrieved 20:00, February 14, 2012, from http://www.acronymgeek.com/CRDE |
| MLA | "CRDE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CRDE>. |
| MHRA | 'CRDE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CRDE> [accessed 14 February 2012] |
| Chicago | "CRDE", http://www.acronymgeek.com/CRDE (accessed February 14, 2012). |
| CBE/CSE | CRDE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CRDE. |
| Bluebook | CRDE, http://www.acronymgeek.com/CRDE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CRDE, http://www.acronymgeek.com/CRDE (optional description here) (as of Feb. 14, 2012, 20:00). |
| AMA | CRDE. Acronym Geek. February 14, 2012, 20:00. Available at: http://www.acronymgeek.com/CRDE. Accessed February 14, 2012, 20:00. |