| APA | EHCS. (2012, February 12). In Acronym Geek. Retrieved 13:00, February 12, 2012, from http://www.acronymgeek.com/EHCS |
| MLA | "EHCS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EHCS>. |
| MHRA | 'EHCS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EHCS> [accessed 12 February 2012] |
| Chicago | "EHCS", http://www.acronymgeek.com/EHCS (accessed February 12, 2012). |
| CBE/CSE | EHCS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EHCS. |
| Bluebook | EHCS, http://www.acronymgeek.com/EHCS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHCS, http://www.acronymgeek.com/EHCS (optional description here) (as of Feb. 12, 2012, 13:00). |
| AMA | EHCS. Acronym Geek. February 12, 2012, 13:00. Available at: http://www.acronymgeek.com/EHCS. Accessed February 12, 2012, 13:00. |