APA (7th ed.) Citation

Brailsford, H. N. (1963). Voltaire. Oxford University Press.

Chicago Style (17th ed.) Citation

Brailsford, Henry Noel. Voltaire. London: Oxford University Press, 1963.

MLA (9th ed.) Citation

Brailsford, Henry Noel. Voltaire. Oxford University Press, 1963.