| APA | CENN. (2012, February 15). In Acronym Geek. Retrieved 11:21, February 15, 2012, from http://www.acronymgeek.com/CENN |
| MLA | "CENN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CENN>. |
| MHRA | 'CENN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CENN> [accessed 15 February 2012] |
| Chicago | "CENN", http://www.acronymgeek.com/CENN (accessed February 15, 2012). |
| CBE/CSE | CENN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CENN. |
| Bluebook | CENN, http://www.acronymgeek.com/CENN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CENN, http://www.acronymgeek.com/CENN (optional description here) (as of Feb. 15, 2012, 11:21). |
| AMA | CENN. Acronym Geek. February 15, 2012, 11:21. Available at: http://www.acronymgeek.com/CENN. Accessed February 15, 2012, 11:21. |