| APA | CENA. (2012, February 16). In Acronym Geek. Retrieved 03:31, February 16, 2012, from http://www.acronymgeek.com/CENA |
| MLA | "CENA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CENA>. |
| MHRA | 'CENA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CENA> [accessed 16 February 2012] |
| Chicago | "CENA", http://www.acronymgeek.com/CENA (accessed February 16, 2012). |
| CBE/CSE | CENA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CENA. |
| Bluebook | CENA, http://www.acronymgeek.com/CENA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CENA, http://www.acronymgeek.com/CENA (optional description here) (as of Feb. 16, 2012, 03:31). |
| AMA | CENA. Acronym Geek. February 16, 2012, 03:31. Available at: http://www.acronymgeek.com/CENA. Accessed February 16, 2012, 03:31. |