| APA | QSDD. (2012, February 15). In Acronym Geek. Retrieved 19:49, February 15, 2012, from http://www.acronymgeek.com/QSDD |
| MLA | "QSDD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QSDD>. |
| MHRA | 'QSDD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QSDD> [accessed 15 February 2012] |
| Chicago | "QSDD", http://www.acronymgeek.com/QSDD (accessed February 15, 2012). |
| CBE/CSE | QSDD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QSDD. |
| Bluebook | QSDD, http://www.acronymgeek.com/QSDD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QSDD, http://www.acronymgeek.com/QSDD (optional description here) (as of Feb. 15, 2012, 19:49). |
| AMA | QSDD. Acronym Geek. February 15, 2012, 19:49. Available at: http://www.acronymgeek.com/QSDD. Accessed February 15, 2012, 19:49. |