MLA

Edwards, Jonathan, 1703-1758. Williamson, Charles. Box 26, folder 1464. 1800 Apr 14. https://collections.library.yale.edu/catalog/10956712.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 26, folder 1464"])(1800 Apr 14)[Williamson, Charles]. https://collections.library.yale.edu/catalog/10956712.