APA (7th ed.) Citation

Willey, B. (1960). Darwin and Butler: Two versions of evolution. Chatto and Windus.

Chicago Style (17th ed.) Citation

Willey, Basil. Darwin and Butler: Two Versions of Evolution. London: Chatto and Windus, 1960.

MLA (9th ed.) Citation

Willey, Basil. Darwin and Butler: Two Versions of Evolution. Chatto and Windus, 1960.

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