| APA | BBO. (2012, February 9). In Acronym Geek. Retrieved 10:01, February 9, 2012, from http://www.acronymgeek.com/BBO |
| MLA | "BBO." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/BBO>. |
| MHRA | 'BBO', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/BBO> [accessed 9 February 2012] |
| Chicago | "BBO", http://www.acronymgeek.com/BBO (accessed February 9, 2012). |
| CBE/CSE | BBO [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/BBO. |
| Bluebook | BBO, http://www.acronymgeek.com/BBO (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BBO, http://www.acronymgeek.com/BBO (optional description here) (as of Feb. 9, 2012, 10:01). |
| AMA | BBO. Acronym Geek. February 9, 2012, 10:01. Available at: http://www.acronymgeek.com/BBO. Accessed February 9, 2012, 10:01. |