| APA | SOOS. (2012, February 15). In Acronym Geek. Retrieved 16:06, February 15, 2012, from http://www.acronymgeek.com/SOOS |
| MLA | "SOOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SOOS>. |
| MHRA | 'SOOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SOOS> [accessed 15 February 2012] |
| Chicago | "SOOS", http://www.acronymgeek.com/SOOS (accessed February 15, 2012). |
| CBE/CSE | SOOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SOOS. |
| Bluebook | SOOS, http://www.acronymgeek.com/SOOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SOOS, http://www.acronymgeek.com/SOOS (optional description here) (as of Feb. 15, 2012, 16:06). |
| AMA | SOOS. Acronym Geek. February 15, 2012, 16:06. Available at: http://www.acronymgeek.com/SOOS. Accessed February 15, 2012, 16:06. |