| APA | EHYA. (2012, February 15). In Acronym Geek. Retrieved 13:38, February 15, 2012, from http://www.acronymgeek.com/EHYA |
| MLA | "EHYA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EHYA>. |
| MHRA | 'EHYA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EHYA> [accessed 15 February 2012] |
| Chicago | "EHYA", http://www.acronymgeek.com/EHYA (accessed February 15, 2012). |
| CBE/CSE | EHYA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EHYA. |
| Bluebook | EHYA, http://www.acronymgeek.com/EHYA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHYA, http://www.acronymgeek.com/EHYA (optional description here) (as of Feb. 15, 2012, 13:38). |
| AMA | EHYA. Acronym Geek. February 15, 2012, 13:38. Available at: http://www.acronymgeek.com/EHYA. Accessed February 15, 2012, 13:38. |