| APA | OBGH. (2012, February 17). In Acronym Geek. Retrieved 00:57, February 17, 2012, from http://www.acronymgeek.com/OBGH |
| MLA | "OBGH." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OBGH>. |
| MHRA | 'OBGH', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OBGH> [accessed 17 February 2012] |
| Chicago | "OBGH", http://www.acronymgeek.com/OBGH (accessed February 17, 2012). |
| CBE/CSE | OBGH [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OBGH. |
| Bluebook | OBGH, http://www.acronymgeek.com/OBGH (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBGH, http://www.acronymgeek.com/OBGH (optional description here) (as of Feb. 17, 2012, 00:57). |
| AMA | OBGH. Acronym Geek. February 17, 2012, 00:57. Available at: http://www.acronymgeek.com/OBGH. Accessed February 17, 2012, 00:57. |