MLA
Wesley, Charles, 1757-1834. Letter from Charles Wesley junior to Sarah Wesley - June 5, [No Year]. June 5, year unknown. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/689d51c5v5-cor.
APA, 6th edition
Wesley, Charles, 1757-1834. (June 5, year unknown)[Letter from Charles Wesley junior to Sarah Wesley - June 5, [No Year]]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/689d51c5v5-cor.
Chicago
Wesley, Charles, 1757-1834, Letter from Charles Wesley junior to Sarah Wesley - June 5, [No Year], June 5, year unknown, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/689d51c5v5-cor.