| APA | EFTK. (2012, February 17). In Acronym Geek. Retrieved 07:29, February 17, 2012, from http://www.acronymgeek.com/EFTK |
| MLA | "EFTK." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/EFTK>. |
| MHRA | 'EFTK', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/EFTK> [accessed 17 February 2012] |
| Chicago | "EFTK", http://www.acronymgeek.com/EFTK (accessed February 17, 2012). |
| CBE/CSE | EFTK [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/EFTK. |
| Bluebook | EFTK, http://www.acronymgeek.com/EFTK (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFTK, http://www.acronymgeek.com/EFTK (optional description here) (as of Feb. 17, 2012, 07:29). |
| AMA | EFTK. Acronym Geek. February 17, 2012, 07:29. Available at: http://www.acronymgeek.com/EFTK. Accessed February 17, 2012, 07:29. |