| APA | QSED. (2012, February 15). In Acronym Geek. Retrieved 12:06, February 15, 2012, from http://www.acronymgeek.com/QSED |
| MLA | "QSED." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QSED>. |
| MHRA | 'QSED', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QSED> [accessed 15 February 2012] |
| Chicago | "QSED", http://www.acronymgeek.com/QSED (accessed February 15, 2012). |
| CBE/CSE | QSED [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QSED. |
| Bluebook | QSED, http://www.acronymgeek.com/QSED (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QSED, http://www.acronymgeek.com/QSED (optional description here) (as of Feb. 15, 2012, 12:06). |
| AMA | QSED. Acronym Geek. February 15, 2012, 12:06. Available at: http://www.acronymgeek.com/QSED. Accessed February 15, 2012, 12:06. |