| APA | QSCD. (2012, February 15). In Acronym Geek. Retrieved 19:30, February 15, 2012, from http://www.acronymgeek.com/QSCD |
| MLA | "QSCD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QSCD>. |
| MHRA | 'QSCD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QSCD> [accessed 15 February 2012] |
| Chicago | "QSCD", http://www.acronymgeek.com/QSCD (accessed February 15, 2012). |
| CBE/CSE | QSCD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QSCD. |
| Bluebook | QSCD, http://www.acronymgeek.com/QSCD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QSCD, http://www.acronymgeek.com/QSCD (optional description here) (as of Feb. 15, 2012, 19:30). |
| AMA | QSCD. Acronym Geek. February 15, 2012, 19:30. Available at: http://www.acronymgeek.com/QSCD. Accessed February 15, 2012, 19:30. |