| APA | ESFD. (2012, February 15). In Acronym Geek. Retrieved 11:17, February 15, 2012, from http://www.acronymgeek.com/ESFD |
| MLA | "ESFD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ESFD>. |
| MHRA | 'ESFD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ESFD> [accessed 15 February 2012] |
| Chicago | "ESFD", http://www.acronymgeek.com/ESFD (accessed February 15, 2012). |
| CBE/CSE | ESFD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ESFD. |
| Bluebook | ESFD, http://www.acronymgeek.com/ESFD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ESFD, http://www.acronymgeek.com/ESFD (optional description here) (as of Feb. 15, 2012, 11:17). |
| AMA | ESFD. Acronym Geek. February 15, 2012, 11:17. Available at: http://www.acronymgeek.com/ESFD. Accessed February 15, 2012, 11:17. |