| APA | HHES. (2012, February 12). In Acronym Geek. Retrieved 01:32, February 12, 2012, from http://www.acronymgeek.com/HHES |
| MLA | "HHES." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/HHES>. |
| MHRA | 'HHES', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/HHES> [accessed 12 February 2012] |
| Chicago | "HHES", http://www.acronymgeek.com/HHES (accessed February 12, 2012). |
| CBE/CSE | HHES [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/HHES. |
| Bluebook | HHES, http://www.acronymgeek.com/HHES (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHES, http://www.acronymgeek.com/HHES (optional description here) (as of Feb. 12, 2012, 01:32). |
| AMA | HHES. Acronym Geek. February 12, 2012, 01:32. Available at: http://www.acronymgeek.com/HHES. Accessed February 12, 2012, 01:32. |