APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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