| APA | ECYF. (2012, February 16). In Acronym Geek. Retrieved 23:39, February 16, 2012, from http://www.acronymgeek.com/ECYF |
| MLA | "ECYF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ECYF>. |
| MHRA | 'ECYF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ECYF> [accessed 16 February 2012] |
| Chicago | "ECYF", http://www.acronymgeek.com/ECYF (accessed February 16, 2012). |
| CBE/CSE | ECYF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ECYF. |
| Bluebook | ECYF, http://www.acronymgeek.com/ECYF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECYF, http://www.acronymgeek.com/ECYF (optional description here) (as of Feb. 16, 2012, 23:39). |
| AMA | ECYF. Acronym Geek. February 16, 2012, 23:39. Available at: http://www.acronymgeek.com/ECYF. Accessed February 16, 2012, 23:39. |