APA (7th ed.) Citation

(1977). Controversies in cardiology (2. print.). Davis.

Chicago Style (17th ed.) Citation

Controversies in Cardiology. 2. print. Philadelphia: Davis, 1977.

MLA (9th ed.) Citation

Controversies in Cardiology. 2. print. Davis, 1977.

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