| APA | HEAE. (2012, February 16). In Acronym Geek. Retrieved 21:22, February 16, 2012, from http://www.acronymgeek.com/HEAE |
| MLA | "HEAE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HEAE>. |
| MHRA | 'HEAE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HEAE> [accessed 16 February 2012] |
| Chicago | "HEAE", http://www.acronymgeek.com/HEAE (accessed February 16, 2012). |
| CBE/CSE | HEAE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HEAE. |
| Bluebook | HEAE, http://www.acronymgeek.com/HEAE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HEAE, http://www.acronymgeek.com/HEAE (optional description here) (as of Feb. 16, 2012, 21:22). |
| AMA | HEAE. Acronym Geek. February 16, 2012, 21:22. Available at: http://www.acronymgeek.com/HEAE. Accessed February 16, 2012, 21:22. |