APA (7th ed.) Citation

Barker, D. (1973). G.K. Chesterton: A biography. Constable.

Chicago Style (17th ed.) Citation

Barker, Dudley. G.K. Chesterton: A Biography. London: Constable, 1973.

MLA (9th ed.) Citation

Barker, Dudley. G.K. Chesterton: A Biography. Constable, 1973.

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