MLA
Wesley, Sarah, 1759-1828. Letter from Sarah Wesley to Sarah (Gwynne) Wesley, Manchester - December 27, 1796. December 27, 1796. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/8708w9gjgp-cor.
APA, 6th edition
Wesley, Sarah, 1759-1828. (December 27, 1796)[Letter from Sarah Wesley to Sarah (Gwynne) Wesley, Manchester - December 27, 1796]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/8708w9gjgp-cor.
Chicago
Wesley, Sarah, 1759-1828, Letter from Sarah Wesley to Sarah (Gwynne) Wesley, Manchester - December 27, 1796, December 27, 1796, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/8708w9gjgp-cor.