APA
Philip E. Bernatz, . (1973). The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company.
Chicago
Philip E. Bernatz, . 1973. The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company.
Harvard
Philip E. Bernatz, . (1973). The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company.
MLA
Philip E. Bernatz, . The Surgical Clinics of North America. Philadelphia: W. B. Saunders Company. 1973.