APA
Stephen W. gray, . (1974). The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company.
Chicago
Stephen W. gray, . 1974. The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company.
Harvard
Stephen W. gray, . (1974). The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company.
MLA
Stephen W. gray, . The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company. 1974.