MLA
Wesley, Sarah, 1759-1828. Letter from Sarah Wesley to Charles Wesley junior, Clifton - May 31, 1793. May 31, 1793. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/566j0zpcs4-cor.
APA, 6th edition
Wesley, Sarah, 1759-1828. (May 31, 1793)[Letter from Sarah Wesley to Charles Wesley junior, Clifton - May 31, 1793]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/566j0zpcs4-cor.
Chicago
Wesley, Sarah, 1759-1828, Letter from Sarah Wesley to Charles Wesley junior, Clifton - May 31, 1793, May 31, 1793, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/566j0zpcs4-cor.