| APA | PBT. (2012, February 9). In Acronym Geek. Retrieved 18:43, February 9, 2012, from http://www.acronymgeek.com/PBT |
| MLA | "PBT." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/PBT>. |
| MHRA | 'PBT', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/PBT> [accessed 9 February 2012] |
| Chicago | "PBT", http://www.acronymgeek.com/PBT (accessed February 9, 2012). |
| CBE/CSE | PBT [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/PBT. |
| Bluebook | PBT, http://www.acronymgeek.com/PBT (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PBT, http://www.acronymgeek.com/PBT (optional description here) (as of Feb. 9, 2012, 18:43). |
| AMA | PBT. Acronym Geek. February 9, 2012, 18:43. Available at: http://www.acronymgeek.com/PBT. Accessed February 9, 2012, 18:43. |