| APA | EY. (2012, February 11). In Acronym Geek. Retrieved 17:09, February 11, 2012, from http://www.acronymgeek.com/EY |
| MLA | "EY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EY>. |
| MHRA | 'EY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EY> [accessed 11 February 2012] |
| Chicago | "EY", http://www.acronymgeek.com/EY (accessed February 11, 2012). |
| CBE/CSE | EY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EY. |
| Bluebook | EY, http://www.acronymgeek.com/EY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EY, http://www.acronymgeek.com/EY (optional description here) (as of Feb. 11, 2012, 17:09). |
| AMA | EY. Acronym Geek. February 11, 2012, 17:09. Available at: http://www.acronymgeek.com/EY. Accessed February 11, 2012, 17:09. |