| APA | LTSD. (2012, February 16). In Acronym Geek. Retrieved 01:13, February 16, 2012, from http://www.acronymgeek.com/LTSD |
| MLA | "LTSD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LTSD>. |
| MHRA | 'LTSD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LTSD> [accessed 16 February 2012] |
| Chicago | "LTSD", http://www.acronymgeek.com/LTSD (accessed February 16, 2012). |
| CBE/CSE | LTSD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LTSD. |
| Bluebook | LTSD, http://www.acronymgeek.com/LTSD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LTSD, http://www.acronymgeek.com/LTSD (optional description here) (as of Feb. 16, 2012, 01:13). |
| AMA | LTSD. Acronym Geek. February 16, 2012, 01:13. Available at: http://www.acronymgeek.com/LTSD. Accessed February 16, 2012, 01:13. |