APA (7th ed.) Citation

Voltaire & Redman, B. R. (1977). The portable Voltaire. Penguin Books.

Chicago Style (17th ed.) Citation

Voltaire and Ben Ray Redman. The Portable Voltaire. Penguin Books, 1977.

MLA (9th ed.) Citation

Voltaire and Ben Ray Redman. The Portable Voltaire. Penguin Books, 1977.

Warning: These citations may not always be 100% accurate.