| APA | EVYS. (2012, February 17). In Acronym Geek. Retrieved 05:04, February 17, 2012, from http://www.acronymgeek.com/EVYS |
| MLA | "EVYS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/EVYS>. |
| MHRA | 'EVYS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/EVYS> [accessed 17 February 2012] |
| Chicago | "EVYS", http://www.acronymgeek.com/EVYS (accessed February 17, 2012). |
| CBE/CSE | EVYS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/EVYS. |
| Bluebook | EVYS, http://www.acronymgeek.com/EVYS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EVYS, http://www.acronymgeek.com/EVYS (optional description here) (as of Feb. 17, 2012, 05:04). |
| AMA | EVYS. Acronym Geek. February 17, 2012, 05:04. Available at: http://www.acronymgeek.com/EVYS. Accessed February 17, 2012, 05:04. |