| APA | EHDP. (2012, February 15). In Acronym Geek. Retrieved 23:05, February 15, 2012, from http://www.acronymgeek.com/EHDP |
| MLA | "EHDP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EHDP>. |
| MHRA | 'EHDP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EHDP> [accessed 15 February 2012] |
| Chicago | "EHDP", http://www.acronymgeek.com/EHDP (accessed February 15, 2012). |
| CBE/CSE | EHDP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EHDP. |
| Bluebook | EHDP, http://www.acronymgeek.com/EHDP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHDP, http://www.acronymgeek.com/EHDP (optional description here) (as of Feb. 15, 2012, 23:05). |
| AMA | EHDP. Acronym Geek. February 15, 2012, 23:05. Available at: http://www.acronymgeek.com/EHDP. Accessed February 15, 2012, 23:05. |