| APA | QDC. (2012, February 15). In Acronym Geek. Retrieved 03:28, February 15, 2012, from http://www.acronymgeek.com/QDC |
| MLA | "QDC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QDC>. |
| MHRA | 'QDC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QDC> [accessed 15 February 2012] |
| Chicago | "QDC", http://www.acronymgeek.com/QDC (accessed February 15, 2012). |
| CBE/CSE | QDC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QDC. |
| Bluebook | QDC, http://www.acronymgeek.com/QDC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QDC, http://www.acronymgeek.com/QDC (optional description here) (as of Feb. 15, 2012, 03:28). |
| AMA | QDC. Acronym Geek. February 15, 2012, 03:28. Available at: http://www.acronymgeek.com/QDC. Accessed February 15, 2012, 03:28. |