| APA | PUDR. (2012, February 15). In Acronym Geek. Retrieved 07:59, February 15, 2012, from http://www.acronymgeek.com/PUDR |
| MLA | "PUDR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PUDR>. |
| MHRA | 'PUDR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PUDR> [accessed 15 February 2012] |
| Chicago | "PUDR", http://www.acronymgeek.com/PUDR (accessed February 15, 2012). |
| CBE/CSE | PUDR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PUDR. |
| Bluebook | PUDR, http://www.acronymgeek.com/PUDR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUDR, http://www.acronymgeek.com/PUDR (optional description here) (as of Feb. 15, 2012, 07:59). |
| AMA | PUDR. Acronym Geek. February 15, 2012, 07:59. Available at: http://www.acronymgeek.com/PUDR. Accessed February 15, 2012, 07:59. |