| APA | SEFK. (2012, February 15). In Acronym Geek. Retrieved 12:16, February 15, 2012, from http://www.acronymgeek.com/SEFK |
| MLA | "SEFK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SEFK>. |
| MHRA | 'SEFK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SEFK> [accessed 15 February 2012] |
| Chicago | "SEFK", http://www.acronymgeek.com/SEFK (accessed February 15, 2012). |
| CBE/CSE | SEFK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SEFK. |
| Bluebook | SEFK, http://www.acronymgeek.com/SEFK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SEFK, http://www.acronymgeek.com/SEFK (optional description here) (as of Feb. 15, 2012, 12:16). |
| AMA | SEFK. Acronym Geek. February 15, 2012, 12:16. Available at: http://www.acronymgeek.com/SEFK. Accessed February 15, 2012, 12:16. |