APA (7th ed.) Citation

Boas, G. (1961). The limits of reason. Routledge & K. Paul.

Chicago Style (17th ed.) Citation

Boas, George. The Limits of Reason. London: Routledge & K. Paul, 1961.

MLA (8th ed.) Citation

Boas, George. The Limits of Reason. Routledge & K. Paul, 1961.