APA (7th ed.) Citation

Spencer, L., Krauze, A., & Appignanesi, R. (1997). Introducing the Enlightenment. Totem Books.

Chicago Style (17th ed.) Citation

Spencer, Lloyd, Andrzej Krauze, and Richard Appignanesi. Introducing the Enlightenment. New York: Totem Books, 1997.

MLA (9th ed.) Citation

Spencer, Lloyd, et al. Introducing the Enlightenment. Totem Books, 1997.