| APA | QIDF. (2012, February 15). In Acronym Geek. Retrieved 20:14, February 15, 2012, from http://www.acronymgeek.com/QIDF |
| MLA | "QIDF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QIDF>. |
| MHRA | 'QIDF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QIDF> [accessed 15 February 2012] |
| Chicago | "QIDF", http://www.acronymgeek.com/QIDF (accessed February 15, 2012). |
| CBE/CSE | QIDF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QIDF. |
| Bluebook | QIDF, http://www.acronymgeek.com/QIDF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QIDF, http://www.acronymgeek.com/QIDF (optional description here) (as of Feb. 15, 2012, 20:14). |
| AMA | QIDF. Acronym Geek. February 15, 2012, 20:14. Available at: http://www.acronymgeek.com/QIDF. Accessed February 15, 2012, 20:14. |