MLA

Edwards, Jonathan, 1703-1758. "Shadows of Divine Things". Box 21, folder 1249. n.d.. https://collections.library.yale.edu/catalog/2065874.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 21, folder 1249"])(n.d.)["Shadows of Divine Things"]. https://collections.library.yale.edu/catalog/2065874.