| APA | QTLS. (2012, February 17). In Acronym Geek. Retrieved 03:50, February 17, 2012, from http://www.acronymgeek.com/QTLS |
| MLA | "QTLS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/QTLS>. |
| MHRA | 'QTLS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/QTLS> [accessed 17 February 2012] |
| Chicago | "QTLS", http://www.acronymgeek.com/QTLS (accessed February 17, 2012). |
| CBE/CSE | QTLS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/QTLS. |
| Bluebook | QTLS, http://www.acronymgeek.com/QTLS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QTLS, http://www.acronymgeek.com/QTLS (optional description here) (as of Feb. 17, 2012, 03:50). |
| AMA | QTLS. Acronym Geek. February 17, 2012, 03:50. Available at: http://www.acronymgeek.com/QTLS. Accessed February 17, 2012, 03:50. |