| APA | EN-HD. (2012, February 12). In Acronym Geek. Retrieved 16:35, February 12, 2012, from http://www.acronymgeek.com/EN-HD |
| MLA | "EN-HD." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EN-HD>. |
| MHRA | 'EN-HD', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EN-HD> [accessed 12 February 2012] |
| Chicago | "EN-HD", http://www.acronymgeek.com/EN-HD (accessed February 12, 2012). |
| CBE/CSE | EN-HD [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EN-HD. |
| Bluebook | EN-HD, http://www.acronymgeek.com/EN-HD (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EN-HD, http://www.acronymgeek.com/EN-HD (optional description here) (as of Feb. 12, 2012, 16:35). |
| AMA | EN-HD. Acronym Geek. February 12, 2012, 16:35. Available at: http://www.acronymgeek.com/EN-HD. Accessed February 12, 2012, 16:35. |