| APA | S.O.S.. (2012, February 12). In Acronym Geek. Retrieved 08:48, February 12, 2012, from http://www.acronymgeek.com/S.O.S. |
| MLA | "S.O.S.." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/S.O.S.>. |
| MHRA | 'S.O.S.', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/S.O.S.> [accessed 12 February 2012] |
| Chicago | "S.O.S.", http://www.acronymgeek.com/S.O.S. (accessed February 12, 2012). |
| CBE/CSE | S.O.S. [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/S.O.S.. |
| Bluebook | S.O.S., http://www.acronymgeek.com/S.O.S. (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, S.O.S., http://www.acronymgeek.com/S.O.S. (optional description here) (as of Feb. 12, 2012, 08:48). |
| AMA | S.O.S.. Acronym Geek. February 12, 2012, 08:48. Available at: http://www.acronymgeek.com/S.O.S.. Accessed February 12, 2012, 08:48. |