MLA
Bell, Benjamin, 1749-1806. A system of surgery. 1790. Medical Heritage Imprints Collection . Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/767wm37t1f-cor.
APA, 6th edition
Bell, Benjamin, 1749-1806. (1790)[A system of surgery, 4th edition, corrected.]. Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/767wm37t1f-cor.
Chicago
Bell, Benjamin, 1749-1806, A system of surgery, 1790, Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/767wm37t1f-cor.