| APA | CNEN. (2012, February 15). In Acronym Geek. Retrieved 13:22, February 15, 2012, from http://www.acronymgeek.com/CNEN |
| MLA | "CNEN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CNEN>. |
| MHRA | 'CNEN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CNEN> [accessed 15 February 2012] |
| Chicago | "CNEN", http://www.acronymgeek.com/CNEN (accessed February 15, 2012). |
| CBE/CSE | CNEN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CNEN. |
| Bluebook | CNEN, http://www.acronymgeek.com/CNEN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CNEN, http://www.acronymgeek.com/CNEN (optional description here) (as of Feb. 15, 2012, 13:22). |
| AMA | CNEN. Acronym Geek. February 15, 2012, 13:22. Available at: http://www.acronymgeek.com/CNEN. Accessed February 15, 2012, 13:22. |