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