MLA

Edwards, Jonathan, 1703-1758. Book 3, entries 761-880. Box 18, folder 1221. n.d.. https://collections.library.yale.edu/catalog/2065880.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 18, folder 1221"])(n.d.)[Book 3, entries 761-880]. https://collections.library.yale.edu/catalog/2065880.