Cita APA

De Lee, J. B., Davis, M. E., & Sheckler, C. E. (1957). Obstetrics for nurses. Saunders.

Citación estilo Chicago

De Lee, Joseph Bolivar, Morris Edward Davis, and Catherine E. Sheckler. Obstetrics for Nurses. Philadelphia: Saunders, 1957.

Cita MLA

De Lee, Joseph Bolivar, et al. Obstetrics for Nurses. Saunders, 1957.