| APA | EHAI. (2012, February 17). In Acronym Geek. Retrieved 07:20, February 17, 2012, from http://www.acronymgeek.com/EHAI |
| MLA | "EHAI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/EHAI>. |
| MHRA | 'EHAI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/EHAI> [accessed 17 February 2012] |
| Chicago | "EHAI", http://www.acronymgeek.com/EHAI (accessed February 17, 2012). |
| CBE/CSE | EHAI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/EHAI. |
| Bluebook | EHAI, http://www.acronymgeek.com/EHAI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHAI, http://www.acronymgeek.com/EHAI (optional description here) (as of Feb. 17, 2012, 07:20). |
| AMA | EHAI. Acronym Geek. February 17, 2012, 07:20. Available at: http://www.acronymgeek.com/EHAI. Accessed February 17, 2012, 07:20. |