| APA | PRDR. (2012, February 16). In Acronym Geek. Retrieved 02:07, February 16, 2012, from http://www.acronymgeek.com/PRDR |
| MLA | "PRDR." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PRDR>. |
| MHRA | 'PRDR', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PRDR> [accessed 16 February 2012] |
| Chicago | "PRDR", http://www.acronymgeek.com/PRDR (accessed February 16, 2012). |
| CBE/CSE | PRDR [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PRDR. |
| Bluebook | PRDR, http://www.acronymgeek.com/PRDR (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PRDR, http://www.acronymgeek.com/PRDR (optional description here) (as of Feb. 16, 2012, 02:07). |
| AMA | PRDR. Acronym Geek. February 16, 2012, 02:07. Available at: http://www.acronymgeek.com/PRDR. Accessed February 16, 2012, 02:07. |