MLA
Cullen, William, 1710-1790. First lines of the practice of physic. 1796. Medical Heritage Imprints Collection . Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/9289ghx6p5-cor.
APA, 6th edition
Cullen, William, 1710-1790. (1796)[First lines of the practice of physic, A new edition with improvements.]. Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/9289ghx6p5-cor.
Chicago
Cullen, William, 1710-1790, First lines of the practice of physic, 1796, Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/9289ghx6p5-cor.