Pinkerton, Mr.
MLA
Beckford, William, 1760-1844. Pinkerton, Mr.. Box 3, folder 46. 1800 Sep 18. https://collections.library.yale.edu/catalog/16470622.
APA, 6th edition
Beckford, William, 1760-1844. (["Box 3, folder 46"])(1800 Sep 18)[Pinkerton, Mr.]. https://collections.library.yale.edu/catalog/16470622.