| APA | SSI. (2012, February 14). In Acronym Geek. Retrieved 07:05, February 14, 2012, from http://www.acronymgeek.com/SSI |
| MLA | "SSI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SSI>. |
| MHRA | 'SSI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SSI> [accessed 14 February 2012] |
| Chicago | "SSI", http://www.acronymgeek.com/SSI (accessed February 14, 2012). |
| CBE/CSE | SSI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SSI. |
| Bluebook | SSI, http://www.acronymgeek.com/SSI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SSI, http://www.acronymgeek.com/SSI (optional description here) (as of Feb. 14, 2012, 07:05). |
| AMA | SSI. Acronym Geek. February 14, 2012, 07:05. Available at: http://www.acronymgeek.com/SSI. Accessed February 14, 2012, 07:05. |