MLA

Edwards, Jonathan, 1703-1758. Tallmadge, Benjamin. Box 27, folder 1519. 1819 Feb 15. https://collections.library.yale.edu/catalog/10985888.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 27, folder 1519"])(1819 Feb 15)[Tallmadge, Benjamin]. https://collections.library.yale.edu/catalog/10985888.