| APA | H.E. (2012, February 13). In Acronym Geek. Retrieved 20:51, February 13, 2012, from http://www.acronymgeek.com/H.E |
| MLA | "H.E." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/H.E>. |
| MHRA | 'H.E', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/H.E> [accessed 13 February 2012] |
| Chicago | "H.E", http://www.acronymgeek.com/H.E (accessed February 13, 2012). |
| CBE/CSE | H.E [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/H.E. |
| Bluebook | H.E, http://www.acronymgeek.com/H.E (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, H.E, http://www.acronymgeek.com/H.E (optional description here) (as of Feb. 13, 2012, 20:51). |
| AMA | H.E. Acronym Geek. February 13, 2012, 20:51. Available at: http://www.acronymgeek.com/H.E. Accessed February 13, 2012, 20:51. |