| APA | ENAS. (2012, February 10). In Acronym Geek. Retrieved 07:55, February 10, 2012, from http://www.acronymgeek.com/ENAS |
| MLA | "ENAS." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ENAS>. |
| MHRA | 'ENAS', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ENAS> [accessed 10 February 2012] |
| Chicago | "ENAS", http://www.acronymgeek.com/ENAS (accessed February 10, 2012). |
| CBE/CSE | ENAS [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ENAS. |
| Bluebook | ENAS, http://www.acronymgeek.com/ENAS (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENAS, http://www.acronymgeek.com/ENAS (optional description here) (as of Feb. 10, 2012, 07:55). |
| AMA | ENAS. Acronym Geek. February 10, 2012, 07:55. Available at: http://www.acronymgeek.com/ENAS. Accessed February 10, 2012, 07:55. |