| APA | PDDQ. (2012, February 16). In Acronym Geek. Retrieved 01:12, February 16, 2012, from http://www.acronymgeek.com/PDDQ |
| MLA | "PDDQ." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PDDQ>. |
| MHRA | 'PDDQ', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PDDQ> [accessed 16 February 2012] |
| Chicago | "PDDQ", http://www.acronymgeek.com/PDDQ (accessed February 16, 2012). |
| CBE/CSE | PDDQ [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PDDQ. |
| Bluebook | PDDQ, http://www.acronymgeek.com/PDDQ (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDDQ, http://www.acronymgeek.com/PDDQ (optional description here) (as of Feb. 16, 2012, 01:12). |
| AMA | PDDQ. Acronym Geek. February 16, 2012, 01:12. Available at: http://www.acronymgeek.com/PDDQ. Accessed February 16, 2012, 01:12. |