| APA | ECGI. (2012, February 15). In Acronym Geek. Retrieved 10:03, February 15, 2012, from http://www.acronymgeek.com/ECGI |
| MLA | "ECGI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ECGI>. |
| MHRA | 'ECGI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ECGI> [accessed 15 February 2012] |
| Chicago | "ECGI", http://www.acronymgeek.com/ECGI (accessed February 15, 2012). |
| CBE/CSE | ECGI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ECGI. |
| Bluebook | ECGI, http://www.acronymgeek.com/ECGI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECGI, http://www.acronymgeek.com/ECGI (optional description here) (as of Feb. 15, 2012, 10:03). |
| AMA | ECGI. Acronym Geek. February 15, 2012, 10:03. Available at: http://www.acronymgeek.com/ECGI. Accessed February 15, 2012, 10:03. |