APA (7th ed.) Citation

Hywel, D. (1978). Cardiology. Butterworths.

Chicago Style (17th ed.) Citation

Hywel, Davies. Cardiology. Boston: Butterworths, 1978.

MLA (9th ed.) Citation

Hywel, Davies. Cardiology. Butterworths, 1978.

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