| APA | SIF. (2012, February 9). In Acronym Geek. Retrieved 20:20, February 9, 2012, from http://www.acronymgeek.com/SIF |
| MLA | "SIF." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/SIF>. |
| MHRA | 'SIF', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/SIF> [accessed 9 February 2012] |
| Chicago | "SIF", http://www.acronymgeek.com/SIF (accessed February 9, 2012). |
| CBE/CSE | SIF [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/SIF. |
| Bluebook | SIF, http://www.acronymgeek.com/SIF (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SIF, http://www.acronymgeek.com/SIF (optional description here) (as of Feb. 9, 2012, 20:20). |
| AMA | SIF. Acronym Geek. February 9, 2012, 20:20. Available at: http://www.acronymgeek.com/SIF. Accessed February 9, 2012, 20:20. |