MLA

Edwards, Jonathan, 1703-1758. ALS. Box 22, folder 1303. 1756 Oct 28. https://collections.library.yale.edu/catalog/10900931.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 22, folder 1303"])(1756 Oct 28)[ALS]. https://collections.library.yale.edu/catalog/10900931.