MLA
Wesley, Charles, 1757-1834. Letter from Charles Wesley junior to Sarah Wesley, Marylebone, [London] - December 27, 1796. December 27, 1796. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/419s1rn96n-cor.
APA, 6th edition
Wesley, Charles, 1757-1834. (December 27, 1796)[Letter from Charles Wesley junior to Sarah Wesley, Marylebone, [London] - December 27, 1796]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/419s1rn96n-cor.
Chicago
Wesley, Charles, 1757-1834, Letter from Charles Wesley junior to Sarah Wesley, Marylebone, [London] - December 27, 1796, December 27, 1796, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/419s1rn96n-cor.