| Style | Reference Text |
|---|
| APA | Effectiveness Index. (2009, November 23). In All Acronyms. Retrieved 00:21, November 23, 2009, from http://www.all-acronyms.com/EI/effectiveness_index/883337 |
| MLA | "Effectiveness Index." All Acronyms. 23 Nov 2009, 00:21. All Acronyms. 23 Nov 2009 <http://www.all-acronyms.com/EI/effectiveness_index/883337>. |
| MHRA | 'Effectiveness Index', All Acronyms, 23 November 2009, 00:21, <http://www.all-acronyms.com/EI/effectiveness_index/883337> [accessed 23 November 2009] |
| Chicago | "Effectiveness Index," http://www.all-acronyms.com/EI/effectiveness_index/883337 (accessed November 23, 2009). |
| CBE/CSE | Effectiveness Index [Internet]. All Acronyms; 2009 Nov 23, 00:21 [cited 2009 Nov 23]. Available from: http://www.all-acronyms.com/EI/effectiveness_index/883337. |
| Bluebook | Effectiveness Index, http://www.all-acronyms.com/EI/effectiveness_index/883337 (last visited November 23, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, Effectiveness Index, http://www.all-acronyms.com/EI/effectiveness_index/883337 (optional description here) (as of Nov. 23, 2009, 00:21). |
| AMA | Effectiveness Index. All Acronyms. November 23, 2009, 00:21. Available at: http://www.all-acronyms.com/EI/effectiveness_index/883337. Accessed November 23, 2009. |