Cita APA (7a ed.)

Flew, A., & Varghese, R. A. (2007). There is a God: How the world's most notorious atheist changed his mind. HarperOne.

Cita Chicago Style (17a ed.)

Flew, Antony, y Roy Abraham Varghese. There Is a God: How the World's Most Notorious Atheist Changed His Mind. New York: HarperOne, 2007.

Cita MLA (9a ed.)

Flew, Antony, y Roy Abraham Varghese. There Is a God: How the World's Most Notorious Atheist Changed His Mind. HarperOne, 2007.