| APA | EHCA. (2012, February 14). In Acronym Geek. Retrieved 17:37, February 14, 2012, from http://www.acronymgeek.com/EHCA |
| MLA | "EHCA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EHCA>. |
| MHRA | 'EHCA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EHCA> [accessed 14 February 2012] |
| Chicago | "EHCA", http://www.acronymgeek.com/EHCA (accessed February 14, 2012). |
| CBE/CSE | EHCA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EHCA. |
| Bluebook | EHCA, http://www.acronymgeek.com/EHCA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHCA, http://www.acronymgeek.com/EHCA (optional description here) (as of Feb. 14, 2012, 17:37). |
| AMA | EHCA. Acronym Geek. February 14, 2012, 17:37. Available at: http://www.acronymgeek.com/EHCA. Accessed February 14, 2012, 17:37. |