| Style | Reference Text |
|---|
| APA | 2HD. (2010, February 9). In Acronym Geek. Retrieved 19:13, February 9, 2010, from http://www.acronymgeek.com/2HD |
| MLA | "2HD." Acronym Geek. 9 Feb 2010, 19:13. Acronym Geek. 9 Feb 2010 <http://www.acronymgeek.com/2HD>. |
| MHRA | '2HD', Acronym Geek, 9 February 2010, 19:13, <http://www.acronymgeek.com/2HD> [accessed 9 February 2010] |
| Chicago | "2HD," http://www.acronymgeek.com/2HD (accessed February 9, 2010). |
| CBE/CSE | 2HD [Internet]. Acronym Geek; 2010 Feb 9, 19:13 [cited 2010 Feb 9]. Available from: http://www.acronymgeek.com/2HD. |
| Bluebook | 2HD, http://www.acronymgeek.com/2HD (last visited February 9, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2HD, http://www.acronymgeek.com/2HD (optional description here) (as of Feb. 9, 2010, 19:13). |
| AMA | 2HD. Acronym Geek. February 9, 2010, 19:13. Available at: http://www.acronymgeek.com/2HD. Accessed February 9, 2010. |