APA (7th ed.) Citation

Coren, M. (1989). Gilbert: The man who was G.K. Chesterton. Jonathan Cape.

Chicago Style (17th ed.) Citation

Coren, Michael. Gilbert: The Man Who Was G.K. Chesterton. London: Jonathan Cape, 1989.

MLA (8th ed.) Citation

Coren, Michael. Gilbert: The Man Who Was G.K. Chesterton. Jonathan Cape, 1989.