Cita APA

Christopher, D. (1977). Textbook of surgery, the biological basis of modern surgical practice (11.ed.). Saunders Company.

Citación estilo Chicago

Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. 11.ed. Washington, D.C: Saunders Company, 1977.

Cita MLA

Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. 11.ed. Saunders Company, 1977.