| APA | ECFY. (2012, February 15). In Acronym Geek. Retrieved 02:29, February 15, 2012, from http://www.acronymgeek.com/ECFY |
| MLA | "ECFY." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ECFY>. |
| MHRA | 'ECFY', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ECFY> [accessed 15 February 2012] |
| Chicago | "ECFY", http://www.acronymgeek.com/ECFY (accessed February 15, 2012). |
| CBE/CSE | ECFY [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ECFY. |
| Bluebook | ECFY, http://www.acronymgeek.com/ECFY (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECFY, http://www.acronymgeek.com/ECFY (optional description here) (as of Feb. 15, 2012, 02:29). |
| AMA | ECFY. Acronym Geek. February 15, 2012, 02:29. Available at: http://www.acronymgeek.com/ECFY. Accessed February 15, 2012, 02:29. |