MLA

Edwards, Jonathan, 1703-1758. IS. 65:20: "It becomes persons that are advanced in years to be answerably advanced in their attainments in religion" (p. 7). Box 5, folder 341. 1738 Dec. https://collections.library.yale.edu/catalog/10728698.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 5, folder 341"])(1738 Dec)[IS. 65:20: "It becomes persons that are advanced in years to be answerably advanced in their attainments in religion" (p. 7)]. https://collections.library.yale.edu/catalog/10728698.