APA (7th ed.) Citation

Allen, G. (1931). The evolution of the idea of god. Watts.

Chicago Style (17th ed.) Citation

Allen, Grant. The Evolution of the Idea of God. London: Watts, 1931.

MLA (9th ed.) Citation

Allen, Grant. The Evolution of the Idea of God. Watts, 1931.

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