MLA
Frost, Henry Rutledge, 1790-1866. Elements of the materia medica and therapeutics. 1841. Medical Heritage Imprints Collection . Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/982x3ffdgx-cor.
APA, 6th edition
Frost, Henry Rutledge, 1790-1866. (1841)[Elements of the materia medica and therapeutics]. Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/982x3ffdgx-cor.
Chicago
Frost, Henry Rutledge, 1790-1866, Elements of the materia medica and therapeutics, 1841, Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/982x3ffdgx-cor.