| APA | ECHN. (2012, February 15). In Acronym Geek. Retrieved 14:17, February 15, 2012, from http://www.acronymgeek.com/ECHN |
| MLA | "ECHN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ECHN>. |
| MHRA | 'ECHN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ECHN> [accessed 15 February 2012] |
| Chicago | "ECHN", http://www.acronymgeek.com/ECHN (accessed February 15, 2012). |
| CBE/CSE | ECHN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ECHN. |
| Bluebook | ECHN, http://www.acronymgeek.com/ECHN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECHN, http://www.acronymgeek.com/ECHN (optional description here) (as of Feb. 15, 2012, 14:17). |
| AMA | ECHN. Acronym Geek. February 15, 2012, 14:17. Available at: http://www.acronymgeek.com/ECHN. Accessed February 15, 2012, 14:17. |