MLA

Edwards, Jonathan, 1703-1758. I PET. 1:8: "That they live the happiest life in this world, that live a life of love to Jesus Christ beholding him with an eye of faith" (p. 3). Box 11, folder 852. 1757, n.d.. https://collections.library.yale.edu/catalog/10695960.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 11, folder 852"])(1757, n.d.)[I PET. 1:8: "That they live the happiest life in this world, that live a life of love to Jesus Christ beholding him with an eye of faith" (p. 3)]. https://collections.library.yale.edu/catalog/10695960.