MLA
Wesley, Sarah, 1759-1828. Letter from Sarah Wesley to [Sarah (Gwynne)] Wesley, Rochester - August 1, 1801. August 1, 1801. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/156zw3r2kt-cor.
APA, 6th edition
Wesley, Sarah, 1759-1828. (August 1, 1801)[Letter from Sarah Wesley to [Sarah (Gwynne)] Wesley, Rochester - August 1, 1801]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/156zw3r2kt-cor.
Chicago
Wesley, Sarah, 1759-1828, Letter from Sarah Wesley to [Sarah (Gwynne)] Wesley, Rochester - August 1, 1801, August 1, 1801, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/156zw3r2kt-cor.