MLA

Edwards, Jonathan, 1703-1758. Brainerd, David [copy]. Box 28, folder 1530. 1742 Feb 2. https://collections.library.yale.edu/catalog/11403808.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 28, folder 1530"])(1742 Feb 2)[Brainerd, David [copy]]. https://collections.library.yale.edu/catalog/11403808.