| APA | EHV-4. (2012, February 12). In Acronym Geek. Retrieved 14:25, February 12, 2012, from http://www.acronymgeek.com/EHV-4 |
| MLA | "EHV-4." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EHV-4>. |
| MHRA | 'EHV-4', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EHV-4> [accessed 12 February 2012] |
| Chicago | "EHV-4", http://www.acronymgeek.com/EHV-4 (accessed February 12, 2012). |
| CBE/CSE | EHV-4 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EHV-4. |
| Bluebook | EHV-4, http://www.acronymgeek.com/EHV-4 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHV-4, http://www.acronymgeek.com/EHV-4 (optional description here) (as of Feb. 12, 2012, 14:25). |
| AMA | EHV-4. Acronym Geek. February 12, 2012, 14:25. Available at: http://www.acronymgeek.com/EHV-4. Accessed February 12, 2012, 14:25. |