| APA | SEFR. (2012, February 15). In Acronym Geek. Retrieved 10:29, February 15, 2012, from http://www.acronymgeek.com/SEFR |
| MLA | "SEFR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SEFR>. |
| MHRA | 'SEFR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SEFR> [accessed 15 February 2012] |
| Chicago | "SEFR", http://www.acronymgeek.com/SEFR (accessed February 15, 2012). |
| CBE/CSE | SEFR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SEFR. |
| Bluebook | SEFR, http://www.acronymgeek.com/SEFR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SEFR, http://www.acronymgeek.com/SEFR (optional description here) (as of Feb. 15, 2012, 10:29). |
| AMA | SEFR. Acronym Geek. February 15, 2012, 10:29. Available at: http://www.acronymgeek.com/SEFR. Accessed February 15, 2012, 10:29. |