| APA | EHDI. (2012, February 14). In Acronym Geek. Retrieved 21:38, February 14, 2012, from http://www.acronymgeek.com/EHDI |
| MLA | "EHDI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EHDI>. |
| MHRA | 'EHDI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EHDI> [accessed 14 February 2012] |
| Chicago | "EHDI", http://www.acronymgeek.com/EHDI (accessed February 14, 2012). |
| CBE/CSE | EHDI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EHDI. |
| Bluebook | EHDI, http://www.acronymgeek.com/EHDI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHDI, http://www.acronymgeek.com/EHDI (optional description here) (as of Feb. 14, 2012, 21:38). |
| AMA | EHDI. Acronym Geek. February 14, 2012, 21:38. Available at: http://www.acronymgeek.com/EHDI. Accessed February 14, 2012, 21:38. |