MLA

Thistlewood, Thomas, 1721-1786. 25. Diary. Box 5, folder 25. 1774. https://collections.library.yale.edu/catalog/11872823.

APA, 6th edition

Thistlewood, Thomas, 1721-1786. (["Box 5, folder 25"])(1774)[25. Diary]. https://collections.library.yale.edu/catalog/11872823.