| APA | QSBD. (2012, February 15). In Acronym Geek. Retrieved 12:14, February 15, 2012, from http://www.acronymgeek.com/QSBD |
| MLA | "QSBD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QSBD>. |
| MHRA | 'QSBD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QSBD> [accessed 15 February 2012] |
| Chicago | "QSBD", http://www.acronymgeek.com/QSBD (accessed February 15, 2012). |
| CBE/CSE | QSBD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QSBD. |
| Bluebook | QSBD, http://www.acronymgeek.com/QSBD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QSBD, http://www.acronymgeek.com/QSBD (optional description here) (as of Feb. 15, 2012, 12:14). |
| AMA | QSBD. Acronym Geek. February 15, 2012, 12:14. Available at: http://www.acronymgeek.com/QSBD. Accessed February 15, 2012, 12:14. |