| APA | QCE. (2012, February 10). In Acronym Geek. Retrieved 11:15, February 10, 2012, from http://www.acronymgeek.com/QCE |
| MLA | "QCE." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/QCE>. |
| MHRA | 'QCE', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/QCE> [accessed 10 February 2012] |
| Chicago | "QCE", http://www.acronymgeek.com/QCE (accessed February 10, 2012). |
| CBE/CSE | QCE [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/QCE. |
| Bluebook | QCE, http://www.acronymgeek.com/QCE (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QCE, http://www.acronymgeek.com/QCE (optional description here) (as of Feb. 10, 2012, 11:15). |
| AMA | QCE. Acronym Geek. February 10, 2012, 11:15. Available at: http://www.acronymgeek.com/QCE. Accessed February 10, 2012, 11:15. |