Cita APA

Dennis, F. S., & Billings, J. S. (1895). System of surgery. Philadelphia: Lea Brothers & Co..

Citación estilo Chicago

Dennis, Frederic S., y John S. Billings. System of Surgery. Philadelphia: Lea Brothers & Co., 1895.

Cita MLA

Dennis, Frederic S., y John S. Billings. System of Surgery. Philadelphia: Lea Brothers & Co., 1895.