| APA | ERYY. (2012, February 16). In Acronym Geek. Retrieved 18:03, February 16, 2012, from http://www.acronymgeek.com/ERYY |
| MLA | "ERYY." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ERYY>. |
| MHRA | 'ERYY', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ERYY> [accessed 16 February 2012] |
| Chicago | "ERYY", http://www.acronymgeek.com/ERYY (accessed February 16, 2012). |
| CBE/CSE | ERYY [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ERYY. |
| Bluebook | ERYY, http://www.acronymgeek.com/ERYY (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERYY, http://www.acronymgeek.com/ERYY (optional description here) (as of Feb. 16, 2012, 18:03). |
| AMA | ERYY. Acronym Geek. February 16, 2012, 18:03. Available at: http://www.acronymgeek.com/ERYY. Accessed February 16, 2012, 18:03. |