MLA
Sellon, Walter. An Answer to Aspasio Vindicated in Eleven Letters: : Said to Be Wrote by the Late Rev. Mr. James Hervey. And sold by E. Cave ... London, 1767. Pitts Theology Library. https://digital.library.emory.edu/purl/221tdz09cd-cor.
APA, 6th edition
Sellon, W. (1767). An answer to Aspasio vindicated in eleven letters: : said to be wrote by the late Rev. Mr. James Hervey. And sold by E. Cave ... London; Pitts Theology Library. https://digital.library.emory.edu/purl/221tdz09cd-cor.
Chicago
Sellon, Walter. “An Answer to Aspasio Vindicated in Eleven Letters: : Said to Be Wrote by the Late Rev. Mr. James Hervey.” Wesleyana Collection. [London]: And sold by E. Cave ... London, 1767. Pitts Theology Library. https://digital.library.emory.edu/purl/221tdz09cd-cor.