| APA | PPBP. (2012, February 17). In Acronym Geek. Retrieved 01:24, February 17, 2012, from http://www.acronymgeek.com/PPBP |
| MLA | "PPBP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PPBP>. |
| MHRA | 'PPBP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PPBP> [accessed 17 February 2012] |
| Chicago | "PPBP", http://www.acronymgeek.com/PPBP (accessed February 17, 2012). |
| CBE/CSE | PPBP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PPBP. |
| Bluebook | PPBP, http://www.acronymgeek.com/PPBP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PPBP, http://www.acronymgeek.com/PPBP (optional description here) (as of Feb. 17, 2012, 01:24). |
| AMA | PPBP. Acronym Geek. February 17, 2012, 01:24. Available at: http://www.acronymgeek.com/PPBP. Accessed February 17, 2012, 01:24. |