| APA | SSFO. (2012, February 15). In Acronym Geek. Retrieved 20:20, February 15, 2012, from http://www.acronymgeek.com/SSFO |
| MLA | "SSFO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SSFO>. |
| MHRA | 'SSFO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SSFO> [accessed 15 February 2012] |
| Chicago | "SSFO", http://www.acronymgeek.com/SSFO (accessed February 15, 2012). |
| CBE/CSE | SSFO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SSFO. |
| Bluebook | SSFO, http://www.acronymgeek.com/SSFO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SSFO, http://www.acronymgeek.com/SSFO (optional description here) (as of Feb. 15, 2012, 20:20). |
| AMA | SSFO. Acronym Geek. February 15, 2012, 20:20. Available at: http://www.acronymgeek.com/SSFO. Accessed February 15, 2012, 20:20. |