MLA

Edwards, Jonathan, 1703-1758. "Shorthand of Jonathan Edwards deciphered by Wm. P. Upham for Professor Egbert C. Smyth.". Box 18, folder 496. 1901 March 29. https://collections.library.yale.edu/catalog/33304615.

APA, 6th edition

Edwards, Jonathan, 1703-1758. (["Box 18, folder 496"])(1901 March 29)["Shorthand of Jonathan Edwards deciphered by Wm. P. Upham for Professor Egbert C. Smyth."]. https://collections.library.yale.edu/catalog/33304615.