MLA

Edwards, Jonathan, 1703-1758. PS. 78:25: "Those that spiritually partake of Christ, they eat angels' food" (p. 3). Box 2, folder 161. 1754, n.d.. https://collections.library.yale.edu/catalog/10619208.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 2, folder 161"])(1754, n.d.)[PS. 78:25: "Those that spiritually partake of Christ, they eat angels' food" (p. 3)]. https://collections.library.yale.edu/catalog/10619208.