| APA | EIE. (2012, February 10). In Acronym Geek. Retrieved 16:45, February 10, 2012, from http://www.acronymgeek.com/EIE |
| MLA | "EIE." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/EIE>. |
| MHRA | 'EIE', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/EIE> [accessed 10 February 2012] |
| Chicago | "EIE", http://www.acronymgeek.com/EIE (accessed February 10, 2012). |
| CBE/CSE | EIE [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/EIE. |
| Bluebook | EIE, http://www.acronymgeek.com/EIE (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EIE, http://www.acronymgeek.com/EIE (optional description here) (as of Feb. 10, 2012, 16:45). |
| AMA | EIE. Acronym Geek. February 10, 2012, 16:45. Available at: http://www.acronymgeek.com/EIE. Accessed February 10, 2012, 16:45. |