| APA | CNOE. (2012, February 15). In Acronym Geek. Retrieved 09:52, February 15, 2012, from http://www.acronymgeek.com/CNOE |
| MLA | "CNOE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CNOE>. |
| MHRA | 'CNOE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CNOE> [accessed 15 February 2012] |
| Chicago | "CNOE", http://www.acronymgeek.com/CNOE (accessed February 15, 2012). |
| CBE/CSE | CNOE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CNOE. |
| Bluebook | CNOE, http://www.acronymgeek.com/CNOE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CNOE, http://www.acronymgeek.com/CNOE (optional description here) (as of Feb. 15, 2012, 09:52). |
| AMA | CNOE. Acronym Geek. February 15, 2012, 09:52. Available at: http://www.acronymgeek.com/CNOE. Accessed February 15, 2012, 09:52. |