| APA | H.E.. (2012, February 16). In Acronym Geek. Retrieved 07:03, February 16, 2012, from http://www.acronymgeek.com/H.E. |
| MLA | "H.E.." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/H.E.>. |
| MHRA | 'H.E.', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/H.E.> [accessed 16 February 2012] |
| Chicago | "H.E.", http://www.acronymgeek.com/H.E. (accessed February 16, 2012). |
| CBE/CSE | H.E. [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/H.E.. |
| Bluebook | H.E., http://www.acronymgeek.com/H.E. (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, H.E., http://www.acronymgeek.com/H.E. (optional description here) (as of Feb. 16, 2012, 07:03). |
| AMA | H.E.. Acronym Geek. February 16, 2012, 07:03. Available at: http://www.acronymgeek.com/H.E.. Accessed February 16, 2012, 07:03. |