MLA

Thistlewood, Thomas, 1721-1786. 23. Diary. Box 4, folder 23. 1772. https://collections.library.yale.edu/catalog/11864881.

APA, 6th edition

Thistlewood, Thomas, 1721-1786. (["Box 4, folder 23"])(1772)[23. Diary]. https://collections.library.yale.edu/catalog/11864881.