MLA

Edwards, Jonathan, 1703-1758. ALS. Box 22, folder 1273. 1747 Jun 11. https://collections.library.yale.edu/catalog/10900901.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 22, folder 1273"])(1747 Jun 11)[ALS]. https://collections.library.yale.edu/catalog/10900901.