MLA
Wesley, Sarah, 1759-1828. Letter from Sarah Wesley to Miss Galloway (1) - [written between 1780 and 1790]. between 1780 and 1790. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/2257d7wmmw-cor.
APA, 6th edition
Wesley, Sarah, 1759-1828. (between 1780 and 1790)[Letter from Sarah Wesley to Miss Galloway (1) - [written between 1780 and 1790]]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/2257d7wmmw-cor.
Chicago
Wesley, Sarah, 1759-1828, Letter from Sarah Wesley to Miss Galloway (1) - [written between 1780 and 1790], between 1780 and 1790, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/2257d7wmmw-cor.