| APA | PDQI. (2012, February 16). In Acronym Geek. Retrieved 23:52, February 16, 2012, from http://www.acronymgeek.com/PDQI |
| MLA | "PDQI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PDQI>. |
| MHRA | 'PDQI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PDQI> [accessed 16 February 2012] |
| Chicago | "PDQI", http://www.acronymgeek.com/PDQI (accessed February 16, 2012). |
| CBE/CSE | PDQI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PDQI. |
| Bluebook | PDQI, http://www.acronymgeek.com/PDQI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDQI, http://www.acronymgeek.com/PDQI (optional description here) (as of Feb. 16, 2012, 23:52). |
| AMA | PDQI. Acronym Geek. February 16, 2012, 23:52. Available at: http://www.acronymgeek.com/PDQI. Accessed February 16, 2012, 23:52. |