Cita APA (7th ed.)

Halpern, S. L. (1970). The medical clinics of North America. Saunders Company.

Cita Chicago (17th ed.)

Halpern, Seymour Lionel. The Medical Clinics of North America. Philadelphia: Saunders Company, 1970.

Cita MLA (9th ed.)

Halpern, Seymour Lionel. The Medical Clinics of North America. Saunders Company, 1970.