| APA | HDYT. (2012, February 17). In Acronym Geek. Retrieved 04:52, February 17, 2012, from http://www.acronymgeek.com/HDYT |
| MLA | "HDYT." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HDYT>. |
| MHRA | 'HDYT', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HDYT> [accessed 17 February 2012] |
| Chicago | "HDYT", http://www.acronymgeek.com/HDYT (accessed February 17, 2012). |
| CBE/CSE | HDYT [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HDYT. |
| Bluebook | HDYT, http://www.acronymgeek.com/HDYT (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HDYT, http://www.acronymgeek.com/HDYT (optional description here) (as of Feb. 17, 2012, 04:52). |
| AMA | HDYT. Acronym Geek. February 17, 2012, 04:52. Available at: http://www.acronymgeek.com/HDYT. Accessed February 17, 2012, 04:52. |