Cita APA (7a ed.)

Simpson, J. Y., Priestley, W. O., & Storer, H. R. (1855). The obstetric memoirs and contributions of James Y. Simpson. Lippincott.

Cita Chicago Style (17a ed.)

Simpson, James Young, W. O. Priestley, y H. R. Storer. The Obstetric Memoirs and Contributions of James Y. Simpson. Philadelphia: Lippincott, 1855.

Cita MLA (8a ed.)

Simpson, James Young, et al. The Obstetric Memoirs and Contributions of James Y. Simpson. Lippincott, 1855.