| APA | LPD. (2012, February 13). In Acronym Geek. Retrieved 21:59, February 13, 2012, from http://www.acronymgeek.com/LPD |
| MLA | "LPD." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/LPD>. |
| MHRA | 'LPD', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/LPD> [accessed 13 February 2012] |
| Chicago | "LPD", http://www.acronymgeek.com/LPD (accessed February 13, 2012). |
| CBE/CSE | LPD [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/LPD. |
| Bluebook | LPD, http://www.acronymgeek.com/LPD (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LPD, http://www.acronymgeek.com/LPD (optional description here) (as of Feb. 13, 2012, 21:59). |
| AMA | LPD. Acronym Geek. February 13, 2012, 21:59. Available at: http://www.acronymgeek.com/LPD. Accessed February 13, 2012, 21:59. |