Cita APA (7a ed.)

Christopher, F., & Davis, L. (1964). Textbook of surgery. Saunders.

Cita Chicago Style (17a ed.)

Christopher, Frederick, y Loyal Davis. Textbook of Surgery. Philadelphia: Saunders, 1964.

Cita MLA (9a ed.)

Christopher, Frederick, y Loyal Davis. Textbook of Surgery. Saunders, 1964.