| APA | LYSD. (2012, February 15). In Acronym Geek. Retrieved 07:36, February 15, 2012, from http://www.acronymgeek.com/LYSD |
| MLA | "LYSD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/LYSD>. |
| MHRA | 'LYSD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/LYSD> [accessed 15 February 2012] |
| Chicago | "LYSD", http://www.acronymgeek.com/LYSD (accessed February 15, 2012). |
| CBE/CSE | LYSD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/LYSD. |
| Bluebook | LYSD, http://www.acronymgeek.com/LYSD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LYSD, http://www.acronymgeek.com/LYSD (optional description here) (as of Feb. 15, 2012, 07:36). |
| AMA | LYSD. Acronym Geek. February 15, 2012, 07:36. Available at: http://www.acronymgeek.com/LYSD. Accessed February 15, 2012, 07:36. |