MLA
Warrington, Joseph, -1888. The obstetric catechism : containing two thousand three hundred and forty-seven questions and answers on obstetrics proper. 1854. Medical Heritage Imprints Collection . Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/194hmgqrj5-cor.
APA, 6th edition
Warrington, Joseph, -1888. (1854)[The obstetric catechism : containing two thousand three hundred and forty-seven questions and answers on obstetrics proper]. Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/194hmgqrj5-cor.
Chicago
Warrington, Joseph, -1888, The obstetric catechism : containing two thousand three hundred and forty-seven questions and answers on obstetrics proper, 1854, Medical Heritage Imprints Collection , Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/194hmgqrj5-cor.