| APA | 1EC. (2012, February 14). In Acronym Geek. Retrieved 19:22, February 14, 2012, from http://www.acronymgeek.com/1EC |
| MLA | "1EC." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/1EC>. |
| MHRA | '1EC', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/1EC> [accessed 14 February 2012] |
| Chicago | "1EC", http://www.acronymgeek.com/1EC (accessed February 14, 2012). |
| CBE/CSE | 1EC [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/1EC. |
| Bluebook | 1EC, http://www.acronymgeek.com/1EC (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 1EC, http://www.acronymgeek.com/1EC (optional description here) (as of Feb. 14, 2012, 19:22). |
| AMA | 1EC. Acronym Geek. February 14, 2012, 19:22. Available at: http://www.acronymgeek.com/1EC. Accessed February 14, 2012, 19:22. |