| APA | QDT. (2012, February 15). In Acronym Geek. Retrieved 03:34, February 15, 2012, from http://www.acronymgeek.com/QDT |
| MLA | "QDT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QDT>. |
| MHRA | 'QDT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QDT> [accessed 15 February 2012] |
| Chicago | "QDT", http://www.acronymgeek.com/QDT (accessed February 15, 2012). |
| CBE/CSE | QDT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QDT. |
| Bluebook | QDT, http://www.acronymgeek.com/QDT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QDT, http://www.acronymgeek.com/QDT (optional description here) (as of Feb. 15, 2012, 03:34). |
| AMA | QDT. Acronym Geek. February 15, 2012, 03:34. Available at: http://www.acronymgeek.com/QDT. Accessed February 15, 2012, 03:34. |