| APA | DPYR. (2012, February 12). In Acronym Geek. Retrieved 10:16, February 12, 2012, from http://www.acronymgeek.com/DPYR |
| MLA | "DPYR." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/DPYR>. |
| MHRA | 'DPYR', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/DPYR> [accessed 12 February 2012] |
| Chicago | "DPYR", http://www.acronymgeek.com/DPYR (accessed February 12, 2012). |
| CBE/CSE | DPYR [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/DPYR. |
| Bluebook | DPYR, http://www.acronymgeek.com/DPYR (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DPYR, http://www.acronymgeek.com/DPYR (optional description here) (as of Feb. 12, 2012, 10:16). |
| AMA | DPYR. Acronym Geek. February 12, 2012, 10:16. Available at: http://www.acronymgeek.com/DPYR. Accessed February 12, 2012, 10:16. |