| APA | CQOP. (2012, February 15). In Acronym Geek. Retrieved 01:37, February 15, 2012, from http://www.acronymgeek.com/CQOP |
| MLA | "CQOP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CQOP>. |
| MHRA | 'CQOP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CQOP> [accessed 15 February 2012] |
| Chicago | "CQOP", http://www.acronymgeek.com/CQOP (accessed February 15, 2012). |
| CBE/CSE | CQOP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CQOP. |
| Bluebook | CQOP, http://www.acronymgeek.com/CQOP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CQOP, http://www.acronymgeek.com/CQOP (optional description here) (as of Feb. 15, 2012, 01:37). |
| AMA | CQOP. Acronym Geek. February 15, 2012, 01:37. Available at: http://www.acronymgeek.com/CQOP. Accessed February 15, 2012, 01:37. |