| APA | OKBM. (2012, February 16). In Acronym Geek. Retrieved 19:24, February 16, 2012, from http://www.acronymgeek.com/OKBM |
| MLA | "OKBM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OKBM>. |
| MHRA | 'OKBM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OKBM> [accessed 16 February 2012] |
| Chicago | "OKBM", http://www.acronymgeek.com/OKBM (accessed February 16, 2012). |
| CBE/CSE | OKBM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OKBM. |
| Bluebook | OKBM, http://www.acronymgeek.com/OKBM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OKBM, http://www.acronymgeek.com/OKBM (optional description here) (as of Feb. 16, 2012, 19:24). |
| AMA | OKBM. Acronym Geek. February 16, 2012, 19:24. Available at: http://www.acronymgeek.com/OKBM. Accessed February 16, 2012, 19:24. |