MLA

Edwards, Jonathan, 1703-1758. REV. 7:1-3: "In the time of Great public commotions and calamities God will take thorough and effectual care that his servants shall be safe" (p. 6). Box 12, folder 903. 1740/1 Feb 26. https://collections.library.yale.edu/catalog/10692013.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 12, folder 903"])(1740/1 Feb 26)[REV. 7:1-3: "In the time of Great public commotions and calamities God will take thorough and effectual care that his servants shall be safe" (p. 6)]. https://collections.library.yale.edu/catalog/10692013.