| APA | PUDH. (2012, February 17). In Acronym Geek. Retrieved 03:45, February 17, 2012, from http://www.acronymgeek.com/PUDH |
| MLA | "PUDH." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PUDH>. |
| MHRA | 'PUDH', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PUDH> [accessed 17 February 2012] |
| Chicago | "PUDH", http://www.acronymgeek.com/PUDH (accessed February 17, 2012). |
| CBE/CSE | PUDH [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PUDH. |
| Bluebook | PUDH, http://www.acronymgeek.com/PUDH (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUDH, http://www.acronymgeek.com/PUDH (optional description here) (as of Feb. 17, 2012, 03:45). |
| AMA | PUDH. Acronym Geek. February 17, 2012, 03:45. Available at: http://www.acronymgeek.com/PUDH. Accessed February 17, 2012, 03:45. |