| APA | EFST. (2012, February 16). In Acronym Geek. Retrieved 22:52, February 16, 2012, from http://www.acronymgeek.com/EFST |
| MLA | "EFST." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/EFST>. |
| MHRA | 'EFST', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/EFST> [accessed 16 February 2012] |
| Chicago | "EFST", http://www.acronymgeek.com/EFST (accessed February 16, 2012). |
| CBE/CSE | EFST [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/EFST. |
| Bluebook | EFST, http://www.acronymgeek.com/EFST (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFST, http://www.acronymgeek.com/EFST (optional description here) (as of Feb. 16, 2012, 22:52). |
| AMA | EFST. Acronym Geek. February 16, 2012, 22:52. Available at: http://www.acronymgeek.com/EFST. Accessed February 16, 2012, 22:52. |