| APA | TDYD. (2012, February 15). In Acronym Geek. Retrieved 16:51, February 15, 2012, from http://www.acronymgeek.com/TDYD |
| MLA | "TDYD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/TDYD>. |
| MHRA | 'TDYD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/TDYD> [accessed 15 February 2012] |
| Chicago | "TDYD", http://www.acronymgeek.com/TDYD (accessed February 15, 2012). |
| CBE/CSE | TDYD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/TDYD. |
| Bluebook | TDYD, http://www.acronymgeek.com/TDYD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TDYD, http://www.acronymgeek.com/TDYD (optional description here) (as of Feb. 15, 2012, 16:51). |
| AMA | TDYD. Acronym Geek. February 15, 2012, 16:51. Available at: http://www.acronymgeek.com/TDYD. Accessed February 15, 2012, 16:51. |