| APA | EHDE. (2012, February 17). In Acronym Geek. Retrieved 06:29, February 17, 2012, from http://www.acronymgeek.com/EHDE |
| MLA | "EHDE." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/EHDE>. |
| MHRA | 'EHDE', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/EHDE> [accessed 17 February 2012] |
| Chicago | "EHDE", http://www.acronymgeek.com/EHDE (accessed February 17, 2012). |
| CBE/CSE | EHDE [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/EHDE. |
| Bluebook | EHDE, http://www.acronymgeek.com/EHDE (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHDE, http://www.acronymgeek.com/EHDE (optional description here) (as of Feb. 17, 2012, 06:29). |
| AMA | EHDE. Acronym Geek. February 17, 2012, 06:29. Available at: http://www.acronymgeek.com/EHDE. Accessed February 17, 2012, 06:29. |