| APA | EHTU. (2012, February 15). In Acronym Geek. Retrieved 10:42, February 15, 2012, from http://www.acronymgeek.com/EHTU |
| MLA | "EHTU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EHTU>. |
| MHRA | 'EHTU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EHTU> [accessed 15 February 2012] |
| Chicago | "EHTU", http://www.acronymgeek.com/EHTU (accessed February 15, 2012). |
| CBE/CSE | EHTU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EHTU. |
| Bluebook | EHTU, http://www.acronymgeek.com/EHTU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHTU, http://www.acronymgeek.com/EHTU (optional description here) (as of Feb. 15, 2012, 10:42). |
| AMA | EHTU. Acronym Geek. February 15, 2012, 10:42. Available at: http://www.acronymgeek.com/EHTU. Accessed February 15, 2012, 10:42. |