| APA | LD1. (2012, February 12). In Acronym Geek. Retrieved 07:08, February 12, 2012, from http://www.acronymgeek.com/LD1 |
| MLA | "LD1." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/LD1>. |
| MHRA | 'LD1', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/LD1> [accessed 12 February 2012] |
| Chicago | "LD1", http://www.acronymgeek.com/LD1 (accessed February 12, 2012). |
| CBE/CSE | LD1 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/LD1. |
| Bluebook | LD1, http://www.acronymgeek.com/LD1 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LD1, http://www.acronymgeek.com/LD1 (optional description here) (as of Feb. 12, 2012, 07:08). |
| AMA | LD1. Acronym Geek. February 12, 2012, 07:08. Available at: http://www.acronymgeek.com/LD1. Accessed February 12, 2012, 07:08. |