| APA | IEHI. (2012, February 15). In Acronym Geek. Retrieved 22:44, February 15, 2012, from http://www.acronymgeek.com/IEHI |
| MLA | "IEHI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IEHI>. |
| MHRA | 'IEHI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IEHI> [accessed 15 February 2012] |
| Chicago | "IEHI", http://www.acronymgeek.com/IEHI (accessed February 15, 2012). |
| CBE/CSE | IEHI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IEHI. |
| Bluebook | IEHI, http://www.acronymgeek.com/IEHI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IEHI, http://www.acronymgeek.com/IEHI (optional description here) (as of Feb. 15, 2012, 22:44). |
| AMA | IEHI. Acronym Geek. February 15, 2012, 22:44. Available at: http://www.acronymgeek.com/IEHI. Accessed February 15, 2012, 22:44. |