MLA

Edwards, Jonathan, 1703-1758. ALS. Box 22, folder 1271. 1746 Oct 3. https://collections.library.yale.edu/catalog/10898111.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 22, folder 1271"])(1746 Oct 3)[ALS]. https://collections.library.yale.edu/catalog/10898111.