APA (7th ed.) Citation

Chesterton, G. K. (1927). The secret of Father Brown. Harper & Brothers.

Chicago Style (17th ed.) Citation

Chesterton, G. K. The Secret of Father Brown. New York ; London: Harper & Brothers, 1927.

MLA (8th ed.) Citation

Chesterton, G. K. The Secret of Father Brown. Harper & Brothers, 1927.