| APA | EISY. (2012, February 15). In Acronym Geek. Retrieved 04:00, February 15, 2012, from http://www.acronymgeek.com/EISY |
| MLA | "EISY." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EISY>. |
| MHRA | 'EISY', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EISY> [accessed 15 February 2012] |
| Chicago | "EISY", http://www.acronymgeek.com/EISY (accessed February 15, 2012). |
| CBE/CSE | EISY [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EISY. |
| Bluebook | EISY, http://www.acronymgeek.com/EISY (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EISY, http://www.acronymgeek.com/EISY (optional description here) (as of Feb. 15, 2012, 04:00). |
| AMA | EISY. Acronym Geek. February 15, 2012, 04:00. Available at: http://www.acronymgeek.com/EISY. Accessed February 15, 2012, 04:00. |