APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.