| APA | QIDO. (2012, February 16). In Acronym Geek. Retrieved 02:29, February 16, 2012, from http://www.acronymgeek.com/QIDO |
| MLA | "QIDO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/QIDO>. |
| MHRA | 'QIDO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/QIDO> [accessed 16 February 2012] |
| Chicago | "QIDO", http://www.acronymgeek.com/QIDO (accessed February 16, 2012). |
| CBE/CSE | QIDO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/QIDO. |
| Bluebook | QIDO, http://www.acronymgeek.com/QIDO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QIDO, http://www.acronymgeek.com/QIDO (optional description here) (as of Feb. 16, 2012, 02:29). |
| AMA | QIDO. Acronym Geek. February 16, 2012, 02:29. Available at: http://www.acronymgeek.com/QIDO. Accessed February 16, 2012, 02:29. |