MLA
Wesley, John, 1703-1791. Circular letter from John Wesley to "My Dear Brother," [unaddressed], London - November 24, 1767. November 24, 1767. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/774qjq2cc4-cor.
APA, 6th edition
Wesley, John, 1703-1791. (November 24, 1767)[Circular letter from John Wesley to "My Dear Brother," [unaddressed], London - November 24, 1767]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/774qjq2cc4-cor.
Chicago
Wesley, John, 1703-1791, Circular letter from John Wesley to "My Dear Brother," [unaddressed], London - November 24, 1767, November 24, 1767, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/774qjq2cc4-cor.