Cita APA (7a ed.)

Ayer, A. J. (1986). Voltaire. Randon House.

Cita Chicago Style (17a ed.)

Ayer, Alfred Julius. Voltaire. New York: Randon House, 1986.

Cita MLA (8a ed.)

Ayer, Alfred Julius. Voltaire. Randon House, 1986.