| APA | ECHM. (2012, February 17). In Acronym Geek. Retrieved 00:57, February 17, 2012, from http://www.acronymgeek.com/ECHM |
| MLA | "ECHM." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ECHM>. |
| MHRA | 'ECHM', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ECHM> [accessed 17 February 2012] |
| Chicago | "ECHM", http://www.acronymgeek.com/ECHM (accessed February 17, 2012). |
| CBE/CSE | ECHM [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ECHM. |
| Bluebook | ECHM, http://www.acronymgeek.com/ECHM (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECHM, http://www.acronymgeek.com/ECHM (optional description here) (as of Feb. 17, 2012, 00:57). |
| AMA | ECHM. Acronym Geek. February 17, 2012, 00:57. Available at: http://www.acronymgeek.com/ECHM. Accessed February 17, 2012, 00:57. |