| APA | BTPF. (2012, February 16). In Acronym Geek. Retrieved 23:57, February 16, 2012, from http://www.acronymgeek.com/BTPF |
| MLA | "BTPF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BTPF>. |
| MHRA | 'BTPF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BTPF> [accessed 16 February 2012] |
| Chicago | "BTPF", http://www.acronymgeek.com/BTPF (accessed February 16, 2012). |
| CBE/CSE | BTPF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BTPF. |
| Bluebook | BTPF, http://www.acronymgeek.com/BTPF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BTPF, http://www.acronymgeek.com/BTPF (optional description here) (as of Feb. 16, 2012, 23:57). |
| AMA | BTPF. Acronym Geek. February 16, 2012, 23:57. Available at: http://www.acronymgeek.com/BTPF. Accessed February 16, 2012, 23:57. |