| APA | SEFS. (2012, February 14). In Acronym Geek. Retrieved 13:15, February 14, 2012, from http://www.acronymgeek.com/SEFS |
| MLA | "SEFS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SEFS>. |
| MHRA | 'SEFS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SEFS> [accessed 14 February 2012] |
| Chicago | "SEFS", http://www.acronymgeek.com/SEFS (accessed February 14, 2012). |
| CBE/CSE | SEFS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SEFS. |
| Bluebook | SEFS, http://www.acronymgeek.com/SEFS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SEFS, http://www.acronymgeek.com/SEFS (optional description here) (as of Feb. 14, 2012, 13:15). |
| AMA | SEFS. Acronym Geek. February 14, 2012, 13:15. Available at: http://www.acronymgeek.com/SEFS. Accessed February 14, 2012, 13:15. |