| APA | NPDP. (2012, February 16). In Acronym Geek. Retrieved 16:06, February 16, 2012, from http://www.acronymgeek.com/NPDP |
| MLA | "NPDP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NPDP>. |
| MHRA | 'NPDP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NPDP> [accessed 16 February 2012] |
| Chicago | "NPDP", http://www.acronymgeek.com/NPDP (accessed February 16, 2012). |
| CBE/CSE | NPDP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NPDP. |
| Bluebook | NPDP, http://www.acronymgeek.com/NPDP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPDP, http://www.acronymgeek.com/NPDP (optional description here) (as of Feb. 16, 2012, 16:06). |
| AMA | NPDP. Acronym Geek. February 16, 2012, 16:06. Available at: http://www.acronymgeek.com/NPDP. Accessed February 16, 2012, 16:06. |