| APA | OEHD. (2012, February 17). In Acronym Geek. Retrieved 01:27, February 17, 2012, from http://www.acronymgeek.com/OEHD |
| MLA | "OEHD." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OEHD>. |
| MHRA | 'OEHD', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OEHD> [accessed 17 February 2012] |
| Chicago | "OEHD", http://www.acronymgeek.com/OEHD (accessed February 17, 2012). |
| CBE/CSE | OEHD [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OEHD. |
| Bluebook | OEHD, http://www.acronymgeek.com/OEHD (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OEHD, http://www.acronymgeek.com/OEHD (optional description here) (as of Feb. 17, 2012, 01:27). |
| AMA | OEHD. Acronym Geek. February 17, 2012, 01:27. Available at: http://www.acronymgeek.com/OEHD. Accessed February 17, 2012, 01:27. |