Cita APA (7a ed.)

Playfair, W. S. (1876). A treatise on the science and practice of midwifery. Henry C. Lea.

Cita Chicago Style (17a ed.)

Playfair, William Smoult. A Treatise on the Science and Practice of Midwifery. Philadelphia: Henry C. Lea, 1876.

Cita MLA (8a ed.)

Playfair, William Smoult. A Treatise on the Science and Practice of Midwifery. Henry C. Lea, 1876.