APA (7th ed.) Citation

Willis, R. A. (1973). The spread of tumours in the human body (3d ed.). Butterworths.

Chicago Style (17th ed.) Citation

Willis, R. A. The Spread of Tumours in the Human Body. 3d ed. London: Butterworths, 1973.

MLA (8th ed.) Citation

Willis, R. A. The Spread of Tumours in the Human Body. 3d ed. Butterworths, 1973.