| APA | BTFE. (2012, February 17). In Acronym Geek. Retrieved 02:37, February 17, 2012, from http://www.acronymgeek.com/BTFE |
| MLA | "BTFE." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/BTFE>. |
| MHRA | 'BTFE', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/BTFE> [accessed 17 February 2012] |
| Chicago | "BTFE", http://www.acronymgeek.com/BTFE (accessed February 17, 2012). |
| CBE/CSE | BTFE [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/BTFE. |
| Bluebook | BTFE, http://www.acronymgeek.com/BTFE (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTFE, http://www.acronymgeek.com/BTFE (optional description here) (as of Feb. 17, 2012, 02:37). |
| AMA | BTFE. Acronym Geek. February 17, 2012, 02:37. Available at: http://www.acronymgeek.com/BTFE. Accessed February 17, 2012, 02:37. |