| APA | EHDQ. (2012, February 14). In Acronym Geek. Retrieved 19:04, February 14, 2012, from http://www.acronymgeek.com/EHDQ |
| MLA | "EHDQ." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EHDQ>. |
| MHRA | 'EHDQ', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EHDQ> [accessed 14 February 2012] |
| Chicago | "EHDQ", http://www.acronymgeek.com/EHDQ (accessed February 14, 2012). |
| CBE/CSE | EHDQ [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EHDQ. |
| Bluebook | EHDQ, http://www.acronymgeek.com/EHDQ (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHDQ, http://www.acronymgeek.com/EHDQ (optional description here) (as of Feb. 14, 2012, 19:04). |
| AMA | EHDQ. Acronym Geek. February 14, 2012, 19:04. Available at: http://www.acronymgeek.com/EHDQ. Accessed February 14, 2012, 19:04. |