| APA | ECMA. (2012, February 9). In Acronym Geek. Retrieved 12:05, February 9, 2012, from http://www.acronymgeek.com/ECMA |
| MLA | "ECMA." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ECMA>. |
| MHRA | 'ECMA', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ECMA> [accessed 9 February 2012] |
| Chicago | "ECMA", http://www.acronymgeek.com/ECMA (accessed February 9, 2012). |
| CBE/CSE | ECMA [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ECMA. |
| Bluebook | ECMA, http://www.acronymgeek.com/ECMA (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECMA, http://www.acronymgeek.com/ECMA (optional description here) (as of Feb. 9, 2012, 12:05). |
| AMA | ECMA. Acronym Geek. February 9, 2012, 12:05. Available at: http://www.acronymgeek.com/ECMA. Accessed February 9, 2012, 12:05. |