| APA | TYD. (2012, February 14). In Acronym Geek. Retrieved 04:30, February 14, 2012, from http://www.acronymgeek.com/TYD |
| MLA | "TYD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TYD>. |
| MHRA | 'TYD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TYD> [accessed 14 February 2012] |
| Chicago | "TYD", http://www.acronymgeek.com/TYD (accessed February 14, 2012). |
| CBE/CSE | TYD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TYD. |
| Bluebook | TYD, http://www.acronymgeek.com/TYD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TYD, http://www.acronymgeek.com/TYD (optional description here) (as of Feb. 14, 2012, 04:30). |
| AMA | TYD. Acronym Geek. February 14, 2012, 04:30. Available at: http://www.acronymgeek.com/TYD. Accessed February 14, 2012, 04:30. |