| APA | PBG. (2012, February 13). In Acronym Geek. Retrieved 21:53, February 13, 2012, from http://www.acronymgeek.com/PBG |
| MLA | "PBG." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/PBG>. |
| MHRA | 'PBG', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/PBG> [accessed 13 February 2012] |
| Chicago | "PBG", http://www.acronymgeek.com/PBG (accessed February 13, 2012). |
| CBE/CSE | PBG [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/PBG. |
| Bluebook | PBG, http://www.acronymgeek.com/PBG (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PBG, http://www.acronymgeek.com/PBG (optional description here) (as of Feb. 13, 2012, 21:53). |
| AMA | PBG. Acronym Geek. February 13, 2012, 21:53. Available at: http://www.acronymgeek.com/PBG. Accessed February 13, 2012, 21:53. |