| APA | QSA. (2012, February 13). In Acronym Geek. Retrieved 22:00, February 13, 2012, from http://www.acronymgeek.com/QSA |
| MLA | "QSA." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/QSA>. |
| MHRA | 'QSA', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/QSA> [accessed 13 February 2012] |
| Chicago | "QSA", http://www.acronymgeek.com/QSA (accessed February 13, 2012). |
| CBE/CSE | QSA [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/QSA. |
| Bluebook | QSA, http://www.acronymgeek.com/QSA (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QSA, http://www.acronymgeek.com/QSA (optional description here) (as of Feb. 13, 2012, 22:00). |
| AMA | QSA. Acronym Geek. February 13, 2012, 22:00. Available at: http://www.acronymgeek.com/QSA. Accessed February 13, 2012, 22:00. |