| APA | THOA. (2012, February 14). In Acronym Geek. Retrieved 16:25, February 14, 2012, from http://www.acronymgeek.com/THOA |
| MLA | "THOA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/THOA>. |
| MHRA | 'THOA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/THOA> [accessed 14 February 2012] |
| Chicago | "THOA", http://www.acronymgeek.com/THOA (accessed February 14, 2012). |
| CBE/CSE | THOA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/THOA. |
| Bluebook | THOA, http://www.acronymgeek.com/THOA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, THOA, http://www.acronymgeek.com/THOA (optional description here) (as of Feb. 14, 2012, 16:25). |
| AMA | THOA. Acronym Geek. February 14, 2012, 16:25. Available at: http://www.acronymgeek.com/THOA. Accessed February 14, 2012, 16:25. |