| APA | LD99. (2012, February 12). In Acronym Geek. Retrieved 07:15, February 12, 2012, from http://www.acronymgeek.com/LD99 |
| MLA | "LD99." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/LD99>. |
| MHRA | 'LD99', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/LD99> [accessed 12 February 2012] |
| Chicago | "LD99", http://www.acronymgeek.com/LD99 (accessed February 12, 2012). |
| CBE/CSE | LD99 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/LD99. |
| Bluebook | LD99, http://www.acronymgeek.com/LD99 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LD99, http://www.acronymgeek.com/LD99 (optional description here) (as of Feb. 12, 2012, 07:15). |
| AMA | LD99. Acronym Geek. February 12, 2012, 07:15. Available at: http://www.acronymgeek.com/LD99. Accessed February 12, 2012, 07:15. |