| APA | HEVA. (2012, February 14). In Acronym Geek. Retrieved 00:09, February 14, 2012, from http://www.acronymgeek.com/HEVA |
| MLA | "HEVA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HEVA>. |
| MHRA | 'HEVA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HEVA> [accessed 14 February 2012] |
| Chicago | "HEVA", http://www.acronymgeek.com/HEVA (accessed February 14, 2012). |
| CBE/CSE | HEVA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HEVA. |
| Bluebook | HEVA, http://www.acronymgeek.com/HEVA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HEVA, http://www.acronymgeek.com/HEVA (optional description here) (as of Feb. 14, 2012, 00:09). |
| AMA | HEVA. Acronym Geek. February 14, 2012, 00:09. Available at: http://www.acronymgeek.com/HEVA. Accessed February 14, 2012, 00:09. |