| APA | BTB. (2012, February 14). In Acronym Geek. Retrieved 20:49, February 14, 2012, from http://www.acronymgeek.com/BTB |
| MLA | "BTB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BTB>. |
| MHRA | 'BTB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BTB> [accessed 14 February 2012] |
| Chicago | "BTB", http://www.acronymgeek.com/BTB (accessed February 14, 2012). |
| CBE/CSE | BTB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BTB. |
| Bluebook | BTB, http://www.acronymgeek.com/BTB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTB, http://www.acronymgeek.com/BTB (optional description here) (as of Feb. 14, 2012, 20:49). |
| AMA | BTB. Acronym Geek. February 14, 2012, 20:49. Available at: http://www.acronymgeek.com/BTB. Accessed February 14, 2012, 20:49. |