| APA | BAO. (2012, February 14). In Acronym Geek. Retrieved 06:43, February 14, 2012, from http://www.acronymgeek.com/BAO |
| MLA | "BAO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BAO>. |
| MHRA | 'BAO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BAO> [accessed 14 February 2012] |
| Chicago | "BAO", http://www.acronymgeek.com/BAO (accessed February 14, 2012). |
| CBE/CSE | BAO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BAO. |
| Bluebook | BAO, http://www.acronymgeek.com/BAO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BAO, http://www.acronymgeek.com/BAO (optional description here) (as of Feb. 14, 2012, 06:43). |
| AMA | BAO. Acronym Geek. February 14, 2012, 06:43. Available at: http://www.acronymgeek.com/BAO. Accessed February 14, 2012, 06:43. |