| APA | EI&C. (2012, February 11). In Acronym Geek. Retrieved 17:35, February 11, 2012, from http://www.acronymgeek.com/EI&C |
| MLA | "EI&C." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EI&C>. |
| MHRA | 'EI&C', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EI&C> [accessed 11 February 2012] |
| Chicago | "EI&C", http://www.acronymgeek.com/EI&C (accessed February 11, 2012). |
| CBE/CSE | EI&C [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EI&C. |
| Bluebook | EI&C, http://www.acronymgeek.com/EI&C (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EI&C, http://www.acronymgeek.com/EI&C (optional description here) (as of Feb. 11, 2012, 17:35). |
| AMA | EI&C. Acronym Geek. February 11, 2012, 17:35. Available at: http://www.acronymgeek.com/EI&C. Accessed February 11, 2012, 17:35. |