| APA | SFI. (2012, February 14). In Acronym Geek. Retrieved 07:09, February 14, 2012, from http://www.acronymgeek.com/SFI |
| MLA | "SFI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SFI>. |
| MHRA | 'SFI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SFI> [accessed 14 February 2012] |
| Chicago | "SFI", http://www.acronymgeek.com/SFI (accessed February 14, 2012). |
| CBE/CSE | SFI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SFI. |
| Bluebook | SFI, http://www.acronymgeek.com/SFI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SFI, http://www.acronymgeek.com/SFI (optional description here) (as of Feb. 14, 2012, 07:09). |
| AMA | SFI. Acronym Geek. February 14, 2012, 07:09. Available at: http://www.acronymgeek.com/SFI. Accessed February 14, 2012, 07:09. |