| APA | STS. (2012, February 15). In Acronym Geek. Retrieved 03:24, February 15, 2012, from http://www.acronymgeek.com/STS |
| MLA | "STS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/STS>. |
| MHRA | 'STS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/STS> [accessed 15 February 2012] |
| Chicago | "STS", http://www.acronymgeek.com/STS (accessed February 15, 2012). |
| CBE/CSE | STS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/STS. |
| Bluebook | STS, http://www.acronymgeek.com/STS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STS, http://www.acronymgeek.com/STS (optional description here) (as of Feb. 15, 2012, 03:24). |
| AMA | STS. Acronym Geek. February 15, 2012, 03:24. Available at: http://www.acronymgeek.com/STS. Accessed February 15, 2012, 03:24. |