| APA | EHVO. (2012, February 16). In Acronym Geek. Retrieved 02:16, February 16, 2012, from http://www.acronymgeek.com/EHVO |
| MLA | "EHVO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/EHVO>. |
| MHRA | 'EHVO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/EHVO> [accessed 16 February 2012] |
| Chicago | "EHVO", http://www.acronymgeek.com/EHVO (accessed February 16, 2012). |
| CBE/CSE | EHVO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/EHVO. |
| Bluebook | EHVO, http://www.acronymgeek.com/EHVO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHVO, http://www.acronymgeek.com/EHVO (optional description here) (as of Feb. 16, 2012, 02:16). |
| AMA | EHVO. Acronym Geek. February 16, 2012, 02:16. Available at: http://www.acronymgeek.com/EHVO. Accessed February 16, 2012, 02:16. |