| APA | USDP. (2012, February 17). In Acronym Geek. Retrieved 07:13, February 17, 2012, from http://www.acronymgeek.com/USDP |
| MLA | "USDP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/USDP>. |
| MHRA | 'USDP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/USDP> [accessed 17 February 2012] |
| Chicago | "USDP", http://www.acronymgeek.com/USDP (accessed February 17, 2012). |
| CBE/CSE | USDP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/USDP. |
| Bluebook | USDP, http://www.acronymgeek.com/USDP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USDP, http://www.acronymgeek.com/USDP (optional description here) (as of Feb. 17, 2012, 07:13). |
| AMA | USDP. Acronym Geek. February 17, 2012, 07:13. Available at: http://www.acronymgeek.com/USDP. Accessed February 17, 2012, 07:13. |