| APA | EONS. (2012, February 11). In Acronym Geek. Retrieved 20:09, February 11, 2012, from http://www.acronymgeek.com/EONS |
| MLA | "EONS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EONS>. |
| MHRA | 'EONS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EONS> [accessed 11 February 2012] |
| Chicago | "EONS", http://www.acronymgeek.com/EONS (accessed February 11, 2012). |
| CBE/CSE | EONS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EONS. |
| Bluebook | EONS, http://www.acronymgeek.com/EONS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EONS, http://www.acronymgeek.com/EONS (optional description here) (as of Feb. 11, 2012, 20:09). |
| AMA | EONS. Acronym Geek. February 11, 2012, 20:09. Available at: http://www.acronymgeek.com/EONS. Accessed February 11, 2012, 20:09. |