| APA | EENA. (2012, February 11). In Acronym Geek. Retrieved 20:31, February 11, 2012, from http://www.acronymgeek.com/EENA |
| MLA | "EENA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EENA>. |
| MHRA | 'EENA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EENA> [accessed 11 February 2012] |
| Chicago | "EENA", http://www.acronymgeek.com/EENA (accessed February 11, 2012). |
| CBE/CSE | EENA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EENA. |
| Bluebook | EENA, http://www.acronymgeek.com/EENA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EENA, http://www.acronymgeek.com/EENA (optional description here) (as of Feb. 11, 2012, 20:31). |
| AMA | EENA. Acronym Geek. February 11, 2012, 20:31. Available at: http://www.acronymgeek.com/EENA. Accessed February 11, 2012, 20:31. |