| APA | PBKT. (2012, February 15). In Acronym Geek. Retrieved 18:40, February 15, 2012, from http://www.acronymgeek.com/PBKT |
| MLA | "PBKT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PBKT>. |
| MHRA | 'PBKT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PBKT> [accessed 15 February 2012] |
| Chicago | "PBKT", http://www.acronymgeek.com/PBKT (accessed February 15, 2012). |
| CBE/CSE | PBKT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PBKT. |
| Bluebook | PBKT, http://www.acronymgeek.com/PBKT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PBKT, http://www.acronymgeek.com/PBKT (optional description here) (as of Feb. 15, 2012, 18:40). |
| AMA | PBKT. Acronym Geek. February 15, 2012, 18:40. Available at: http://www.acronymgeek.com/PBKT. Accessed February 15, 2012, 18:40. |