| APA | CBO. (2012, February 9). In Acronym Geek. Retrieved 18:28, February 9, 2012, from http://www.acronymgeek.com/CBO |
| MLA | "CBO." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/CBO>. |
| MHRA | 'CBO', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/CBO> [accessed 9 February 2012] |
| Chicago | "CBO", http://www.acronymgeek.com/CBO (accessed February 9, 2012). |
| CBE/CSE | CBO [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/CBO. |
| Bluebook | CBO, http://www.acronymgeek.com/CBO (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CBO, http://www.acronymgeek.com/CBO (optional description here) (as of Feb. 9, 2012, 18:28). |
| AMA | CBO. Acronym Geek. February 9, 2012, 18:28. Available at: http://www.acronymgeek.com/CBO. Accessed February 9, 2012, 18:28. |