| APA | OTS. (2012, February 8). In Acronym Geek. Retrieved 11:22, February 8, 2012, from http://www.acronymgeek.com/OTS |
| MLA | "OTS." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/OTS>. |
| MHRA | 'OTS', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/OTS> [accessed 8 February 2012] |
| Chicago | "OTS", http://www.acronymgeek.com/OTS (accessed February 8, 2012). |
| CBE/CSE | OTS [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/OTS. |
| Bluebook | OTS, http://www.acronymgeek.com/OTS (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OTS, http://www.acronymgeek.com/OTS (optional description here) (as of Feb. 8, 2012, 11:22). |
| AMA | OTS. Acronym Geek. February 8, 2012, 11:22. Available at: http://www.acronymgeek.com/OTS. Accessed February 8, 2012, 11:22. |