| APA | TCO. (2012, February 9). In Acronym Geek. Retrieved 01:42, February 9, 2012, from http://www.acronymgeek.com/TCO |
| MLA | "TCO." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/TCO>. |
| MHRA | 'TCO', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/TCO> [accessed 9 February 2012] |
| Chicago | "TCO", http://www.acronymgeek.com/TCO (accessed February 9, 2012). |
| CBE/CSE | TCO [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/TCO. |
| Bluebook | TCO, http://www.acronymgeek.com/TCO (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TCO, http://www.acronymgeek.com/TCO (optional description here) (as of Feb. 9, 2012, 01:42). |
| AMA | TCO. Acronym Geek. February 9, 2012, 01:42. Available at: http://www.acronymgeek.com/TCO. Accessed February 9, 2012, 01:42. |