| APA | OBRS. (2012, February 14). In Acronym Geek. Retrieved 19:59, February 14, 2012, from http://www.acronymgeek.com/OBRS |
| MLA | "OBRS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OBRS>. |
| MHRA | 'OBRS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OBRS> [accessed 14 February 2012] |
| Chicago | "OBRS", http://www.acronymgeek.com/OBRS (accessed February 14, 2012). |
| CBE/CSE | OBRS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OBRS. |
| Bluebook | OBRS, http://www.acronymgeek.com/OBRS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBRS, http://www.acronymgeek.com/OBRS (optional description here) (as of Feb. 14, 2012, 19:59). |
| AMA | OBRS. Acronym Geek. February 14, 2012, 19:59. Available at: http://www.acronymgeek.com/OBRS. Accessed February 14, 2012, 19:59. |