| APA | SLFR. (2012, February 16). In Acronym Geek. Retrieved 10:14, February 16, 2012, from http://www.acronymgeek.com/SLFR |
| MLA | "SLFR." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SLFR>. |
| MHRA | 'SLFR', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SLFR> [accessed 16 February 2012] |
| Chicago | "SLFR", http://www.acronymgeek.com/SLFR (accessed February 16, 2012). |
| CBE/CSE | SLFR [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SLFR. |
| Bluebook | SLFR, http://www.acronymgeek.com/SLFR (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SLFR, http://www.acronymgeek.com/SLFR (optional description here) (as of Feb. 16, 2012, 10:14). |
| AMA | SLFR. Acronym Geek. February 16, 2012, 10:14. Available at: http://www.acronymgeek.com/SLFR. Accessed February 16, 2012, 10:14. |