Cita APA (7th ed.)

Friedberg, C. K. (1966). Diseases of the heart. Saunders Company.

Cita Chicago (17th ed.)

Friedberg, Charles K. Diseases of the Heart. Philadelphia: Saunders Company, 1966.

Cita MLA (9th ed.)

Friedberg, Charles K. Diseases of the Heart. Saunders Company, 1966.