| APA | LDHD. (2012, February 15). In Acronym Geek. Retrieved 10:45, February 15, 2012, from http://www.acronymgeek.com/LDHD |
| MLA | "LDHD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/LDHD>. |
| MHRA | 'LDHD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/LDHD> [accessed 15 February 2012] |
| Chicago | "LDHD", http://www.acronymgeek.com/LDHD (accessed February 15, 2012). |
| CBE/CSE | LDHD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/LDHD. |
| Bluebook | LDHD, http://www.acronymgeek.com/LDHD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDHD, http://www.acronymgeek.com/LDHD (optional description here) (as of Feb. 15, 2012, 10:45). |
| AMA | LDHD. Acronym Geek. February 15, 2012, 10:45. Available at: http://www.acronymgeek.com/LDHD. Accessed February 15, 2012, 10:45. |