| APA | BTT. (2012, February 14). In Acronym Geek. Retrieved 04:49, February 14, 2012, from http://www.acronymgeek.com/BTT |
| MLA | "BTT." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BTT>. |
| MHRA | 'BTT', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BTT> [accessed 14 February 2012] |
| Chicago | "BTT", http://www.acronymgeek.com/BTT (accessed February 14, 2012). |
| CBE/CSE | BTT [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BTT. |
| Bluebook | BTT, http://www.acronymgeek.com/BTT (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTT, http://www.acronymgeek.com/BTT (optional description here) (as of Feb. 14, 2012, 04:49). |
| AMA | BTT. Acronym Geek. February 14, 2012, 04:49. Available at: http://www.acronymgeek.com/BTT. Accessed February 14, 2012, 04:49. |