MLA
Wesley, John, 1703-1791. An answer to all that is material in letters just published, under the name of the Reverend Mr. Hervey. 1765. Wesleyana Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/945cc2frqv-cor.
APA, 6th edition
Wesley, John, 1703-1791. (1765)[An answer to all that is material in letters just published, under the name of the Reverend Mr. Hervey, ]. Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/945cc2frqv-cor.
Chicago
Wesley, John, 1703-1791, An answer to all that is material in letters just published, under the name of the Reverend Mr. Hervey, 1765, Wesleyana Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/945cc2frqv-cor.