| APA | PGBR. (2012, February 15). In Acronym Geek. Retrieved 21:39, February 15, 2012, from http://www.acronymgeek.com/PGBR |
| MLA | "PGBR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PGBR>. |
| MHRA | 'PGBR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PGBR> [accessed 15 February 2012] |
| Chicago | "PGBR", http://www.acronymgeek.com/PGBR (accessed February 15, 2012). |
| CBE/CSE | PGBR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PGBR. |
| Bluebook | PGBR, http://www.acronymgeek.com/PGBR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PGBR, http://www.acronymgeek.com/PGBR (optional description here) (as of Feb. 15, 2012, 21:39). |
| AMA | PGBR. Acronym Geek. February 15, 2012, 21:39. Available at: http://www.acronymgeek.com/PGBR. Accessed February 15, 2012, 21:39. |