| APA | ECFZ. (2012, February 17). In Acronym Geek. Retrieved 02:57, February 17, 2012, from http://www.acronymgeek.com/ECFZ |
| MLA | "ECFZ." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/ECFZ>. |
| MHRA | 'ECFZ', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/ECFZ> [accessed 17 February 2012] |
| Chicago | "ECFZ", http://www.acronymgeek.com/ECFZ (accessed February 17, 2012). |
| CBE/CSE | ECFZ [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/ECFZ. |
| Bluebook | ECFZ, http://www.acronymgeek.com/ECFZ (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ECFZ, http://www.acronymgeek.com/ECFZ (optional description here) (as of Feb. 17, 2012, 02:57). |
| AMA | ECFZ. Acronym Geek. February 17, 2012, 02:57. Available at: http://www.acronymgeek.com/ECFZ. Accessed February 17, 2012, 02:57. |