| APA | OBR. (2012, February 14). In Acronym Geek. Retrieved 08:02, February 14, 2012, from http://www.acronymgeek.com/OBR |
| MLA | "OBR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OBR>. |
| MHRA | 'OBR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OBR> [accessed 14 February 2012] |
| Chicago | "OBR", http://www.acronymgeek.com/OBR (accessed February 14, 2012). |
| CBE/CSE | OBR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OBR. |
| Bluebook | OBR, http://www.acronymgeek.com/OBR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBR, http://www.acronymgeek.com/OBR (optional description here) (as of Feb. 14, 2012, 08:02). |
| AMA | OBR. Acronym Geek. February 14, 2012, 08:02. Available at: http://www.acronymgeek.com/OBR. Accessed February 14, 2012, 08:02. |