| APA | BTTU. (2012, February 14). In Acronym Geek. Retrieved 08:43, February 14, 2012, from http://www.acronymgeek.com/BTTU |
| MLA | "BTTU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BTTU>. |
| MHRA | 'BTTU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BTTU> [accessed 14 February 2012] |
| Chicago | "BTTU", http://www.acronymgeek.com/BTTU (accessed February 14, 2012). |
| CBE/CSE | BTTU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BTTU. |
| Bluebook | BTTU, http://www.acronymgeek.com/BTTU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTTU, http://www.acronymgeek.com/BTTU (optional description here) (as of Feb. 14, 2012, 08:43). |
| AMA | BTTU. Acronym Geek. February 14, 2012, 08:43. Available at: http://www.acronymgeek.com/BTTU. Accessed February 14, 2012, 08:43. |