| APA | PB. (2012, February 14). In Acronym Geek. Retrieved 06:51, February 14, 2012, from http://www.acronymgeek.com/PB |
| MLA | "PB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PB>. |
| MHRA | 'PB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PB> [accessed 14 February 2012] |
| Chicago | "PB", http://www.acronymgeek.com/PB (accessed February 14, 2012). |
| CBE/CSE | PB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PB. |
| Bluebook | PB, http://www.acronymgeek.com/PB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PB, http://www.acronymgeek.com/PB (optional description here) (as of Feb. 14, 2012, 06:51). |
| AMA | PB. Acronym Geek. February 14, 2012, 06:51. Available at: http://www.acronymgeek.com/PB. Accessed February 14, 2012, 06:51. |