| APA | A4DE. (2012, February 14). In Acronym Geek. Retrieved 14:18, February 14, 2012, from http://www.acronymgeek.com/A4DE |
| MLA | "A4DE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/A4DE>. |
| MHRA | 'A4DE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/A4DE> [accessed 14 February 2012] |
| Chicago | "A4DE", http://www.acronymgeek.com/A4DE (accessed February 14, 2012). |
| CBE/CSE | A4DE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/A4DE. |
| Bluebook | A4DE, http://www.acronymgeek.com/A4DE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, A4DE, http://www.acronymgeek.com/A4DE (optional description here) (as of Feb. 14, 2012, 14:18). |
| AMA | A4DE. Acronym Geek. February 14, 2012, 14:18. Available at: http://www.acronymgeek.com/A4DE. Accessed February 14, 2012, 14:18. |