| APA | ECDA. (2012, February 16). In Acronym Geek. Retrieved 01:54, February 16, 2012, from http://www.acronymgeek.com/ECDA |
| MLA | "ECDA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ECDA>. |
| MHRA | 'ECDA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ECDA> [accessed 16 February 2012] |
| Chicago | "ECDA", http://www.acronymgeek.com/ECDA (accessed February 16, 2012). |
| CBE/CSE | ECDA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ECDA. |
| Bluebook | ECDA, http://www.acronymgeek.com/ECDA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECDA, http://www.acronymgeek.com/ECDA (optional description here) (as of Feb. 16, 2012, 01:54). |
| AMA | ECDA. Acronym Geek. February 16, 2012, 01:54. Available at: http://www.acronymgeek.com/ECDA. Accessed February 16, 2012, 01:54. |