| APA | OBDH. (2012, February 15). In Acronym Geek. Retrieved 12:24, February 15, 2012, from http://www.acronymgeek.com/OBDH |
| MLA | "OBDH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OBDH>. |
| MHRA | 'OBDH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OBDH> [accessed 15 February 2012] |
| Chicago | "OBDH", http://www.acronymgeek.com/OBDH (accessed February 15, 2012). |
| CBE/CSE | OBDH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OBDH. |
| Bluebook | OBDH, http://www.acronymgeek.com/OBDH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBDH, http://www.acronymgeek.com/OBDH (optional description here) (as of Feb. 15, 2012, 12:24). |
| AMA | OBDH. Acronym Geek. February 15, 2012, 12:24. Available at: http://www.acronymgeek.com/OBDH. Accessed February 15, 2012, 12:24. |