| APA | QDCU. (2012, February 15). In Acronym Geek. Retrieved 11:01, February 15, 2012, from http://www.acronymgeek.com/QDCU |
| MLA | "QDCU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QDCU>. |
| MHRA | 'QDCU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QDCU> [accessed 15 February 2012] |
| Chicago | "QDCU", http://www.acronymgeek.com/QDCU (accessed February 15, 2012). |
| CBE/CSE | QDCU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QDCU. |
| Bluebook | QDCU, http://www.acronymgeek.com/QDCU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QDCU, http://www.acronymgeek.com/QDCU (optional description here) (as of Feb. 15, 2012, 11:01). |
| AMA | QDCU. Acronym Geek. February 15, 2012, 11:01. Available at: http://www.acronymgeek.com/QDCU. Accessed February 15, 2012, 11:01. |