| APA | TTEO. (2012, February 16). In Acronym Geek. Retrieved 07:24, February 16, 2012, from http://www.acronymgeek.com/TTEO |
| MLA | "TTEO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TTEO>. |
| MHRA | 'TTEO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TTEO> [accessed 16 February 2012] |
| Chicago | "TTEO", http://www.acronymgeek.com/TTEO (accessed February 16, 2012). |
| CBE/CSE | TTEO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TTEO. |
| Bluebook | TTEO, http://www.acronymgeek.com/TTEO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TTEO, http://www.acronymgeek.com/TTEO (optional description here) (as of Feb. 16, 2012, 07:24). |
| AMA | TTEO. Acronym Geek. February 16, 2012, 07:24. Available at: http://www.acronymgeek.com/TTEO. Accessed February 16, 2012, 07:24. |