| APA | EHAS. (2012, February 11). In Acronym Geek. Retrieved 19:04, February 11, 2012, from http://www.acronymgeek.com/EHAS |
| MLA | "EHAS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EHAS>. |
| MHRA | 'EHAS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EHAS> [accessed 11 February 2012] |
| Chicago | "EHAS", http://www.acronymgeek.com/EHAS (accessed February 11, 2012). |
| CBE/CSE | EHAS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EHAS. |
| Bluebook | EHAS, http://www.acronymgeek.com/EHAS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHAS, http://www.acronymgeek.com/EHAS (optional description here) (as of Feb. 11, 2012, 19:04). |
| AMA | EHAS. Acronym Geek. February 11, 2012, 19:04. Available at: http://www.acronymgeek.com/EHAS. Accessed February 11, 2012, 19:04. |