| APA | LDYD. (2012, February 17). In Acronym Geek. Retrieved 02:32, February 17, 2012, from http://www.acronymgeek.com/LDYD |
| MLA | "LDYD." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/LDYD>. |
| MHRA | 'LDYD', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/LDYD> [accessed 17 February 2012] |
| Chicago | "LDYD", http://www.acronymgeek.com/LDYD (accessed February 17, 2012). |
| CBE/CSE | LDYD [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/LDYD. |
| Bluebook | LDYD, http://www.acronymgeek.com/LDYD (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDYD, http://www.acronymgeek.com/LDYD (optional description here) (as of Feb. 17, 2012, 02:32). |
| AMA | LDYD. Acronym Geek. February 17, 2012, 02:32. Available at: http://www.acronymgeek.com/LDYD. Accessed February 17, 2012, 02:32. |