MLA
Wesley, John, 1703-1791. A letter to a person lately join'd with the people call'd Quakers. : In answer to a letter wrote by him.. 1748. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/829b5mknsm-cor.
APA, 6th edition
Wesley, John, 1703-1791. (1748)[A letter to a person lately join'd with the people call'd Quakers. : In answer to a letter wrote by him., The second edition.]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/829b5mknsm-cor.
Chicago
Wesley, John, 1703-1791, A letter to a person lately join'd with the people call'd Quakers. : In answer to a letter wrote by him., 1748, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/829b5mknsm-cor.