| APA | PUGD. (2012, February 16). In Acronym Geek. Retrieved 03:58, February 16, 2012, from http://www.acronymgeek.com/PUGD |
| MLA | "PUGD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PUGD>. |
| MHRA | 'PUGD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PUGD> [accessed 16 February 2012] |
| Chicago | "PUGD", http://www.acronymgeek.com/PUGD (accessed February 16, 2012). |
| CBE/CSE | PUGD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PUGD. |
| Bluebook | PUGD, http://www.acronymgeek.com/PUGD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUGD, http://www.acronymgeek.com/PUGD (optional description here) (as of Feb. 16, 2012, 03:58). |
| AMA | PUGD. Acronym Geek. February 16, 2012, 03:58. Available at: http://www.acronymgeek.com/PUGD. Accessed February 16, 2012, 03:58. |