| APA | ECYH. (2012, February 17). In Acronym Geek. Retrieved 00:28, February 17, 2012, from http://www.acronymgeek.com/ECYH |
| MLA | "ECYH." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ECYH>. |
| MHRA | 'ECYH', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ECYH> [accessed 17 February 2012] |
| Chicago | "ECYH", http://www.acronymgeek.com/ECYH (accessed February 17, 2012). |
| CBE/CSE | ECYH [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ECYH. |
| Bluebook | ECYH, http://www.acronymgeek.com/ECYH (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECYH, http://www.acronymgeek.com/ECYH (optional description here) (as of Feb. 17, 2012, 00:28). |
| AMA | ECYH. Acronym Geek. February 17, 2012, 00:28. Available at: http://www.acronymgeek.com/ECYH. Accessed February 17, 2012, 00:28. |