APA (7th ed.) Citation

Voltaire & Redman, B. R. (1949). The portable Voltaire. Viking Press.

Chicago Style (17th ed.) Citation

Voltaire and Ben Ray Redman. The Portable Voltaire. New York: Viking Press, 1949.

MLA (9th ed.) Citation

Voltaire and Ben Ray Redman. The Portable Voltaire. Viking Press, 1949.