| APA | ENSF. (2012, February 16). In Acronym Geek. Retrieved 14:42, February 16, 2012, from http://www.acronymgeek.com/ENSF |
| MLA | "ENSF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ENSF>. |
| MHRA | 'ENSF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ENSF> [accessed 16 February 2012] |
| Chicago | "ENSF", http://www.acronymgeek.com/ENSF (accessed February 16, 2012). |
| CBE/CSE | ENSF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ENSF. |
| Bluebook | ENSF, http://www.acronymgeek.com/ENSF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENSF, http://www.acronymgeek.com/ENSF (optional description here) (as of Feb. 16, 2012, 14:42). |
| AMA | ENSF. Acronym Geek. February 16, 2012, 14:42. Available at: http://www.acronymgeek.com/ENSF. Accessed February 16, 2012, 14:42. |