Cita APA (7th ed.)

Ayer, A. J. (1986). Voltaire. Weidenfeld and Nicolson.

Cita Chicago (17th ed.)

Ayer, Alfred J. Voltaire. London: Weidenfeld and Nicolson, 1986.

Cita MLA (8th ed.)

Ayer, Alfred J. Voltaire. Weidenfeld and Nicolson, 1986.