| APA | QS. (2012, February 8). In Acronym Geek. Retrieved 11:59, February 8, 2012, from http://www.acronymgeek.com/QS |
| MLA | "QS." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/QS>. |
| MHRA | 'QS', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/QS> [accessed 8 February 2012] |
| Chicago | "QS", http://www.acronymgeek.com/QS (accessed February 8, 2012). |
| CBE/CSE | QS [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/QS. |
| Bluebook | QS, http://www.acronymgeek.com/QS (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QS, http://www.acronymgeek.com/QS (optional description here) (as of Feb. 8, 2012, 11:59). |
| AMA | QS. Acronym Geek. February 8, 2012, 11:59. Available at: http://www.acronymgeek.com/QS. Accessed February 8, 2012, 11:59. |