| APA | DQEI. (2012, February 16). In Acronym Geek. Retrieved 23:01, February 16, 2012, from http://www.acronymgeek.com/DQEI |
| MLA | "DQEI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DQEI>. |
| MHRA | 'DQEI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DQEI> [accessed 16 February 2012] |
| Chicago | "DQEI", http://www.acronymgeek.com/DQEI (accessed February 16, 2012). |
| CBE/CSE | DQEI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DQEI. |
| Bluebook | DQEI, http://www.acronymgeek.com/DQEI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DQEI, http://www.acronymgeek.com/DQEI (optional description here) (as of Feb. 16, 2012, 23:01). |
| AMA | DQEI. Acronym Geek. February 16, 2012, 23:01. Available at: http://www.acronymgeek.com/DQEI. Accessed February 16, 2012, 23:01. |