| APA | TSO. (2012, February 14). In Acronym Geek. Retrieved 04:26, February 14, 2012, from http://www.acronymgeek.com/TSO |
| MLA | "TSO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TSO>. |
| MHRA | 'TSO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TSO> [accessed 14 February 2012] |
| Chicago | "TSO", http://www.acronymgeek.com/TSO (accessed February 14, 2012). |
| CBE/CSE | TSO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TSO. |
| Bluebook | TSO, http://www.acronymgeek.com/TSO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TSO, http://www.acronymgeek.com/TSO (optional description here) (as of Feb. 14, 2012, 04:26). |
| AMA | TSO. Acronym Geek. February 14, 2012, 04:26. Available at: http://www.acronymgeek.com/TSO. Accessed February 14, 2012, 04:26. |