MLA

Edwards, Jonathan, 1703-1758. PROV. 8:34: "That the way to obtain grace is daily to wait upon God for it in the use [of] the means of his appointment" (p. 2). Box 3, folder 209. n.d.. https://collections.library.yale.edu/catalog/10637072.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 3, folder 209"])(n.d.)[PROV. 8:34: "That the way to obtain grace is daily to wait upon God for it in the use [of] the means of his appointment" (p. 2)]. https://collections.library.yale.edu/catalog/10637072.