| APA | TYDO. (2012, February 16). In Acronym Geek. Retrieved 17:26, February 16, 2012, from http://www.acronymgeek.com/TYDO |
| MLA | "TYDO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TYDO>. |
| MHRA | 'TYDO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TYDO> [accessed 16 February 2012] |
| Chicago | "TYDO", http://www.acronymgeek.com/TYDO (accessed February 16, 2012). |
| CBE/CSE | TYDO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TYDO. |
| Bluebook | TYDO, http://www.acronymgeek.com/TYDO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TYDO, http://www.acronymgeek.com/TYDO (optional description here) (as of Feb. 16, 2012, 17:26). |
| AMA | TYDO. Acronym Geek. February 16, 2012, 17:26. Available at: http://www.acronymgeek.com/TYDO. Accessed February 16, 2012, 17:26. |