APA (7th ed.) Citation

Avis, F. R. (1966). The challenge of modern biology. J.W. Walch.

Chicago Style (17th ed.) Citation

Avis, Frederick R. The Challenge of Modern Biology. Portland, Me.: J.W. Walch, 1966.

MLA (9th ed.) Citation

Avis, Frederick R. The Challenge of Modern Biology. J.W. Walch, 1966.