| APA | YDKD. (2012, February 15). In Acronym Geek. Retrieved 18:03, February 15, 2012, from http://www.acronymgeek.com/YDKD |
| MLA | "YDKD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/YDKD>. |
| MHRA | 'YDKD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/YDKD> [accessed 15 February 2012] |
| Chicago | "YDKD", http://www.acronymgeek.com/YDKD (accessed February 15, 2012). |
| CBE/CSE | YDKD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/YDKD. |
| Bluebook | YDKD, http://www.acronymgeek.com/YDKD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, YDKD, http://www.acronymgeek.com/YDKD (optional description here) (as of Feb. 15, 2012, 18:03). |
| AMA | YDKD. Acronym Geek. February 15, 2012, 18:03. Available at: http://www.acronymgeek.com/YDKD. Accessed February 15, 2012, 18:03. |