| APA | EHVA. (2012, February 14). In Acronym Geek. Retrieved 17:55, February 14, 2012, from http://www.acronymgeek.com/EHVA |
| MLA | "EHVA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EHVA>. |
| MHRA | 'EHVA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EHVA> [accessed 14 February 2012] |
| Chicago | "EHVA", http://www.acronymgeek.com/EHVA (accessed February 14, 2012). |
| CBE/CSE | EHVA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EHVA. |
| Bluebook | EHVA, http://www.acronymgeek.com/EHVA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHVA, http://www.acronymgeek.com/EHVA (optional description here) (as of Feb. 14, 2012, 17:55). |
| AMA | EHVA. Acronym Geek. February 14, 2012, 17:55. Available at: http://www.acronymgeek.com/EHVA. Accessed February 14, 2012, 17:55. |