MLA
Wesley, Sarah, 1759-1828. Letter from Sarah Wesley to William Wilberforce, [London] - May 1817. May 1817. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/1741rn8q3k-cor.
APA, 6th edition
Wesley, Sarah, 1759-1828. (May 1817)[Letter from Sarah Wesley to William Wilberforce, [London] - May 1817]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/1741rn8q3k-cor.
Chicago
Wesley, Sarah, 1759-1828, Letter from Sarah Wesley to William Wilberforce, [London] - May 1817, May 1817, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/1741rn8q3k-cor.