APA (7th ed.) Citation

Roberts, W. C. (1990). Cardiology 1990. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Roberts, William C. Cardiology 1990. Boston: Butterworth-Heinemann, 1990.

MLA (8th ed.) Citation

Roberts, William C. Cardiology 1990. Butterworth-Heinemann, 1990.

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