| APA | GPR. (2012, February 9). In Acronym Geek. Retrieved 19:00, February 9, 2012, from http://www.acronymgeek.com/GPR |
| MLA | "GPR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/GPR>. |
| MHRA | 'GPR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/GPR> [accessed 9 February 2012] |
| Chicago | "GPR", http://www.acronymgeek.com/GPR (accessed February 9, 2012). |
| CBE/CSE | GPR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/GPR. |
| Bluebook | GPR, http://www.acronymgeek.com/GPR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GPR, http://www.acronymgeek.com/GPR (optional description here) (as of Feb. 9, 2012, 19:00). |
| AMA | GPR. Acronym Geek. February 9, 2012, 19:00. Available at: http://www.acronymgeek.com/GPR. Accessed February 9, 2012, 19:00. |