| APA | OCOB. (2012, February 16). In Acronym Geek. Retrieved 23:04, February 16, 2012, from http://www.acronymgeek.com/OCOB |
| MLA | "OCOB." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OCOB>. |
| MHRA | 'OCOB', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OCOB> [accessed 16 February 2012] |
| Chicago | "OCOB", http://www.acronymgeek.com/OCOB (accessed February 16, 2012). |
| CBE/CSE | OCOB [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OCOB. |
| Bluebook | OCOB, http://www.acronymgeek.com/OCOB (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCOB, http://www.acronymgeek.com/OCOB (optional description here) (as of Feb. 16, 2012, 23:04). |
| AMA | OCOB. Acronym Geek. February 16, 2012, 23:04. Available at: http://www.acronymgeek.com/OCOB. Accessed February 16, 2012, 23:04. |