| APA | CQS. (2012, February 10). In Acronym Geek. Retrieved 11:04, February 10, 2012, from http://www.acronymgeek.com/CQS |
| MLA | "CQS." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/CQS>. |
| MHRA | 'CQS', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/CQS> [accessed 10 February 2012] |
| Chicago | "CQS", http://www.acronymgeek.com/CQS (accessed February 10, 2012). |
| CBE/CSE | CQS [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/CQS. |
| Bluebook | CQS, http://www.acronymgeek.com/CQS (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CQS, http://www.acronymgeek.com/CQS (optional description here) (as of Feb. 10, 2012, 11:04). |
| AMA | CQS. Acronym Geek. February 10, 2012, 11:04. Available at: http://www.acronymgeek.com/CQS. Accessed February 10, 2012, 11:04. |