| APA | ERYD. (2012, February 15). In Acronym Geek. Retrieved 09:10, February 15, 2012, from http://www.acronymgeek.com/ERYD |
| MLA | "ERYD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ERYD>. |
| MHRA | 'ERYD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ERYD> [accessed 15 February 2012] |
| Chicago | "ERYD", http://www.acronymgeek.com/ERYD (accessed February 15, 2012). |
| CBE/CSE | ERYD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ERYD. |
| Bluebook | ERYD, http://www.acronymgeek.com/ERYD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERYD, http://www.acronymgeek.com/ERYD (optional description here) (as of Feb. 15, 2012, 09:10). |
| AMA | ERYD. Acronym Geek. February 15, 2012, 09:10. Available at: http://www.acronymgeek.com/ERYD. Accessed February 15, 2012, 09:10. |