| APA | PLD. (2012, February 9). In Acronym Geek. Retrieved 01:56, February 9, 2012, from http://www.acronymgeek.com/PLD |
| MLA | "PLD." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/PLD>. |
| MHRA | 'PLD', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/PLD> [accessed 9 February 2012] |
| Chicago | "PLD", http://www.acronymgeek.com/PLD (accessed February 9, 2012). |
| CBE/CSE | PLD [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/PLD. |
| Bluebook | PLD, http://www.acronymgeek.com/PLD (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PLD, http://www.acronymgeek.com/PLD (optional description here) (as of Feb. 9, 2012, 01:56). |
| AMA | PLD. Acronym Geek. February 9, 2012, 01:56. Available at: http://www.acronymgeek.com/PLD. Accessed February 9, 2012, 01:56. |