| APA | SSOI. (2012, February 15). In Acronym Geek. Retrieved 17:05, February 15, 2012, from http://www.acronymgeek.com/SSOI |
| MLA | "SSOI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SSOI>. |
| MHRA | 'SSOI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SSOI> [accessed 15 February 2012] |
| Chicago | "SSOI", http://www.acronymgeek.com/SSOI (accessed February 15, 2012). |
| CBE/CSE | SSOI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SSOI. |
| Bluebook | SSOI, http://www.acronymgeek.com/SSOI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SSOI, http://www.acronymgeek.com/SSOI (optional description here) (as of Feb. 15, 2012, 17:05). |
| AMA | SSOI. Acronym Geek. February 15, 2012, 17:05. Available at: http://www.acronymgeek.com/SSOI. Accessed February 15, 2012, 17:05. |