| APA | BT. (2012, February 14). In Acronym Geek. Retrieved 06:58, February 14, 2012, from http://www.acronymgeek.com/BT |
| MLA | "BT." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/BT>. |
| MHRA | 'BT', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/BT> [accessed 14 February 2012] |
| Chicago | "BT", http://www.acronymgeek.com/BT (accessed February 14, 2012). |
| CBE/CSE | BT [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/BT. |
| Bluebook | BT, http://www.acronymgeek.com/BT (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BT, http://www.acronymgeek.com/BT (optional description here) (as of Feb. 14, 2012, 06:58). |
| AMA | BT. Acronym Geek. February 14, 2012, 06:58. Available at: http://www.acronymgeek.com/BT. Accessed February 14, 2012, 06:58. |