APA (7th ed.) Citation

Balfour, A. J. B. (1920). A defence of philosophic doubt: Being an essay on the foundations of belief (A new ed.). Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Balfour, Arthur James Balfour. A Defence of Philosophic Doubt: Being an Essay on the Foundations of Belief. A new ed. London: Hodder and Stoughton, 1920.

MLA (8th ed.) Citation

Balfour, Arthur James Balfour. A Defence of Philosophic Doubt: Being an Essay on the Foundations of Belief. A new ed. Hodder and Stoughton, 1920.