| APA | QUCD. (2012, February 16). In Acronym Geek. Retrieved 06:39, February 16, 2012, from http://www.acronymgeek.com/QUCD |
| MLA | "QUCD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/QUCD>. |
| MHRA | 'QUCD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/QUCD> [accessed 16 February 2012] |
| Chicago | "QUCD", http://www.acronymgeek.com/QUCD (accessed February 16, 2012). |
| CBE/CSE | QUCD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/QUCD. |
| Bluebook | QUCD, http://www.acronymgeek.com/QUCD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QUCD, http://www.acronymgeek.com/QUCD (optional description here) (as of Feb. 16, 2012, 06:39). |
| AMA | QUCD. Acronym Geek. February 16, 2012, 06:39. Available at: http://www.acronymgeek.com/QUCD. Accessed February 16, 2012, 06:39. |