| APA | LD.. (2012, February 12). In Acronym Geek. Retrieved 07:01, February 12, 2012, from http://www.acronymgeek.com/LD. |
| MLA | "LD.." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/LD.>. |
| MHRA | 'LD.', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/LD.> [accessed 12 February 2012] |
| Chicago | "LD.", http://www.acronymgeek.com/LD. (accessed February 12, 2012). |
| CBE/CSE | LD. [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/LD.. |
| Bluebook | LD., http://www.acronymgeek.com/LD. (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LD., http://www.acronymgeek.com/LD. (optional description here) (as of Feb. 12, 2012, 07:01). |
| AMA | LD.. Acronym Geek. February 12, 2012, 07:01. Available at: http://www.acronymgeek.com/LD.. Accessed February 12, 2012, 07:01. |