MLA

Edwards, Jonathan, 1703-1758. IS. 44:3-4: "Observation: The pouring out of the Spirit after a long witholding of its influences is like the giving showers of rain after a great drought" (p. 2). Box 4, folder 303. 1749 Aug. https://collections.library.yale.edu/catalog/10691955.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 4, folder 303"])(1749 Aug)[IS. 44:3-4: "Observation: The pouring out of the Spirit after a long witholding of its influences is like the giving showers of rain after a great drought" (p. 2)]. https://collections.library.yale.edu/catalog/10691955.