| Style | Reference Text |
|---|
| APA | EI. (2009, November 8). In All Acronyms. Retrieved 23:51, November 8, 2009, from http://www.all-acronyms.com/EI/4 |
| MLA | "EI." All Acronyms. 8 Nov 2009, 23:51. All Acronyms. 8 Nov 2009 <http://www.all-acronyms.com/EI/4>. |
| MHRA | 'EI', All Acronyms, 8 November 2009, 23:51, <http://www.all-acronyms.com/EI/4> [accessed 8 November 2009] |
| Chicago | "EI," http://www.all-acronyms.com/EI/4 (accessed November 8, 2009). |
| CBE/CSE | EI [Internet]. All Acronyms; 2009 Nov 8, 23:51 [cited 2009 Nov 8]. Available from: http://www.all-acronyms.com/EI/4. |
| Bluebook | EI, http://www.all-acronyms.com/EI/4 (last visited November 8, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, EI, http://www.all-acronyms.com/EI/4 (optional description here) (as of Nov. 8, 2009, 23:51). |
| AMA | EI. All Acronyms. November 8, 2009, 23:51. Available at: http://www.all-acronyms.com/EI/4. Accessed November 8, 2009. |
endoscopic index