MLA
Fletcher, John, 1729-1785. Letter from John Fletcher to Charles Wesley, Madeley - October 13, 1771. October 13, 1771. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/13331zcs2x-cor.
APA, 6th edition
Fletcher, John, 1729-1785. (October 13, 1771)[Letter from John Fletcher to Charles Wesley, Madeley - October 13, 1771]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/13331zcs2x-cor.
Chicago
Fletcher, John, 1729-1785, Letter from John Fletcher to Charles Wesley, Madeley - October 13, 1771, October 13, 1771, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/13331zcs2x-cor.