| APA | C4QL. (2012, February 15). In Acronym Geek. Retrieved 05:26, February 15, 2012, from http://www.acronymgeek.com/C4QL |
| MLA | "C4QL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/C4QL>. |
| MHRA | 'C4QL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/C4QL> [accessed 15 February 2012] |
| Chicago | "C4QL", http://www.acronymgeek.com/C4QL (accessed February 15, 2012). |
| CBE/CSE | C4QL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/C4QL. |
| Bluebook | C4QL, http://www.acronymgeek.com/C4QL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, C4QL, http://www.acronymgeek.com/C4QL (optional description here) (as of Feb. 15, 2012, 05:26). |
| AMA | C4QL. Acronym Geek. February 15, 2012, 05:26. Available at: http://www.acronymgeek.com/C4QL. Accessed February 15, 2012, 05:26. |