| APA | BTUT. (2012, February 16). In Acronym Geek. Retrieved 07:07, February 16, 2012, from http://www.acronymgeek.com/BTUT |
| MLA | "BTUT." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BTUT>. |
| MHRA | 'BTUT', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BTUT> [accessed 16 February 2012] |
| Chicago | "BTUT", http://www.acronymgeek.com/BTUT (accessed February 16, 2012). |
| CBE/CSE | BTUT [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BTUT. |
| Bluebook | BTUT, http://www.acronymgeek.com/BTUT (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTUT, http://www.acronymgeek.com/BTUT (optional description here) (as of Feb. 16, 2012, 07:07). |
| AMA | BTUT. Acronym Geek. February 16, 2012, 07:07. Available at: http://www.acronymgeek.com/BTUT. Accessed February 16, 2012, 07:07. |