| APA | EHCY. (2012, February 15). In Acronym Geek. Retrieved 16:32, February 15, 2012, from http://www.acronymgeek.com/EHCY |
| MLA | "EHCY." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EHCY>. |
| MHRA | 'EHCY', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EHCY> [accessed 15 February 2012] |
| Chicago | "EHCY", http://www.acronymgeek.com/EHCY (accessed February 15, 2012). |
| CBE/CSE | EHCY [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EHCY. |
| Bluebook | EHCY, http://www.acronymgeek.com/EHCY (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHCY, http://www.acronymgeek.com/EHCY (optional description here) (as of Feb. 15, 2012, 16:32). |
| AMA | EHCY. Acronym Geek. February 15, 2012, 16:32. Available at: http://www.acronymgeek.com/EHCY. Accessed February 15, 2012, 16:32. |