| APA | Permit by Rule (PBR). (2012, February 13). In Acronym Geek. Retrieved 22:34, February 13, 2012, from http://www.acronymgeek.com/PBR/Permit_by_Rule |
| MLA | "Permit by Rule (PBR)." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/PBR/Permit_by_Rule>. |
| MHRA | 'Permit by Rule (PBR)', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/PBR/Permit_by_Rule> [accessed 13 February 2012] |
| Chicago | "Permit by Rule (PBR)", http://www.acronymgeek.com/PBR/Permit_by_Rule (accessed February 13, 2012). |
| CBE/CSE | Permit by Rule (PBR) [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/PBR/Permit_by_Rule. |
| Bluebook | Permit by Rule (PBR), http://www.acronymgeek.com/PBR/Permit_by_Rule (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Permit by Rule (PBR), http://www.acronymgeek.com/PBR/Permit_by_Rule (optional description here) (as of Feb. 13, 2012, 22:34). |
| AMA | Permit by Rule (PBR). Acronym Geek. February 13, 2012, 22:34. Available at: http://www.acronymgeek.com/PBR/Permit_by_Rule. Accessed February 13, 2012, 22:34. |