MLA

Edwards, Jonathan, 1703-1758. MARK 8:38: "That Christ will here after treat those that have continued in unbelief under the gospel as he has been treated by 'em in this world" (p. 4). Box 7, folder 526. 1737. https://collections.library.yale.edu/catalog/10712667.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 7, folder 526"])(1737)[MARK 8:38: "That Christ will here after treat those that have continued in unbelief under the gospel as he has been treated by 'em in this world" (p. 4)]. https://collections.library.yale.edu/catalog/10712667.