APA (7th ed.) Citation

Flew, A., & Varghese, R. A. (2008). There is a God: How the world's most notorious atheist changed his mind. HarperOne.

Chicago Style (17th ed.) Citation

Flew, Antony, and Roy Abraham Varghese. There Is a God: How the World's Most Notorious Atheist Changed His Mind. San Francisco: HarperOne, 2008.

MLA (9th ed.) Citation

Flew, Antony, and Roy Abraham Varghese. There Is a God: How the World's Most Notorious Atheist Changed His Mind. HarperOne, 2008.

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