| APA | PGBE. (2012, February 15). In Acronym Geek. Retrieved 18:10, February 15, 2012, from http://www.acronymgeek.com/PGBE |
| MLA | "PGBE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PGBE>. |
| MHRA | 'PGBE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PGBE> [accessed 15 February 2012] |
| Chicago | "PGBE", http://www.acronymgeek.com/PGBE (accessed February 15, 2012). |
| CBE/CSE | PGBE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PGBE. |
| Bluebook | PGBE, http://www.acronymgeek.com/PGBE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PGBE, http://www.acronymgeek.com/PGBE (optional description here) (as of Feb. 15, 2012, 18:10). |
| AMA | PGBE. Acronym Geek. February 15, 2012, 18:10. Available at: http://www.acronymgeek.com/PGBE. Accessed February 15, 2012, 18:10. |