| APA | ECOM. (2012, February 17). In Acronym Geek. Retrieved 00:52, February 17, 2012, from http://www.acronymgeek.com/ECOM |
| MLA | "ECOM." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ECOM>. |
| MHRA | 'ECOM', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ECOM> [accessed 17 February 2012] |
| Chicago | "ECOM", http://www.acronymgeek.com/ECOM (accessed February 17, 2012). |
| CBE/CSE | ECOM [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ECOM. |
| Bluebook | ECOM, http://www.acronymgeek.com/ECOM (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECOM, http://www.acronymgeek.com/ECOM (optional description here) (as of Feb. 17, 2012, 00:52). |
| AMA | ECOM. Acronym Geek. February 17, 2012, 00:52. Available at: http://www.acronymgeek.com/ECOM. Accessed February 17, 2012, 00:52. |