| APA | CUON. (2012, February 17). In Acronym Geek. Retrieved 01:32, February 17, 2012, from http://www.acronymgeek.com/CUON |
| MLA | "CUON." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/CUON>. |
| MHRA | 'CUON', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/CUON> [accessed 17 February 2012] |
| Chicago | "CUON", http://www.acronymgeek.com/CUON (accessed February 17, 2012). |
| CBE/CSE | CUON [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/CUON. |
| Bluebook | CUON, http://www.acronymgeek.com/CUON (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CUON, http://www.acronymgeek.com/CUON (optional description here) (as of Feb. 17, 2012, 01:32). |
| AMA | CUON. Acronym Geek. February 17, 2012, 01:32. Available at: http://www.acronymgeek.com/CUON. Accessed February 17, 2012, 01:32. |