| APA | PDPK. (2012, February 15). In Acronym Geek. Retrieved 18:41, February 15, 2012, from http://www.acronymgeek.com/PDPK |
| MLA | "PDPK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PDPK>. |
| MHRA | 'PDPK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PDPK> [accessed 15 February 2012] |
| Chicago | "PDPK", http://www.acronymgeek.com/PDPK (accessed February 15, 2012). |
| CBE/CSE | PDPK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PDPK. |
| Bluebook | PDPK, http://www.acronymgeek.com/PDPK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDPK, http://www.acronymgeek.com/PDPK (optional description here) (as of Feb. 15, 2012, 18:41). |
| AMA | PDPK. Acronym Geek. February 15, 2012, 18:41. Available at: http://www.acronymgeek.com/PDPK. Accessed February 15, 2012, 18:41. |