| APA | B.U.. (2012, February 16). In Acronym Geek. Retrieved 02:37, February 16, 2012, from http://www.acronymgeek.com/B.U. |
| MLA | "B.U.." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/B.U.>. |
| MHRA | 'B.U.', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/B.U.> [accessed 16 February 2012] |
| Chicago | "B.U.", http://www.acronymgeek.com/B.U. (accessed February 16, 2012). |
| CBE/CSE | B.U. [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/B.U.. |
| Bluebook | B.U., http://www.acronymgeek.com/B.U. (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, B.U., http://www.acronymgeek.com/B.U. (optional description here) (as of Feb. 16, 2012, 02:37). |
| AMA | B.U.. Acronym Geek. February 16, 2012, 02:37. Available at: http://www.acronymgeek.com/B.U.. Accessed February 16, 2012, 02:37. |