APA (7th ed.) Citation

Chesterton, G. K. (1914). The barbarism of Berlin. Cassell.

Chicago Style (17th ed.) Citation

Chesterton, G. K. The Barbarism of Berlin. London, New York: Cassell, 1914.

MLA (8th ed.) Citation

Chesterton, G. K. The Barbarism of Berlin. Cassell, 1914.