MLA

Edwards, Jonathan, 1703-1758. Williams, Stephen. Box 22, folder 1335. 1750 Apr 5. https://collections.library.yale.edu/catalog/10900961.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 22, folder 1335"])(1750 Apr 5)[Williams, Stephen]. https://collections.library.yale.edu/catalog/10900961.