| APA | BTBT. (2012, February 9). In Acronym Geek. Retrieved 10:44, February 9, 2012, from http://www.acronymgeek.com/BTBT |
| MLA | "BTBT." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/BTBT>. |
| MHRA | 'BTBT', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/BTBT> [accessed 9 February 2012] |
| Chicago | "BTBT", http://www.acronymgeek.com/BTBT (accessed February 9, 2012). |
| CBE/CSE | BTBT [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/BTBT. |
| Bluebook | BTBT, http://www.acronymgeek.com/BTBT (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTBT, http://www.acronymgeek.com/BTBT (optional description here) (as of Feb. 9, 2012, 10:44). |
| AMA | BTBT. Acronym Geek. February 9, 2012, 10:44. Available at: http://www.acronymgeek.com/BTBT. Accessed February 9, 2012, 10:44. |