APA引文

De Lee, J. B., & Greenhill, J. P. (1955). Obstetrics. Saunders.

Chicago Style (17th ed.) Citation

De Lee, Jospeh Bolivar, and Jacob Pearl Greenhill. Obstetrics. Philadelphia: Saunders, 1955.

MLA引文

De Lee, Jospeh Bolivar, and Jacob Pearl Greenhill. Obstetrics. Saunders, 1955.