Gray, J. 1. (2019). Seven types of atheism. [London, [etc.]]: Penguin Books.
Chicago Style CitationGray, John 1948-. Seven Types of Atheism. [London, [etc.]]: Penguin Books, 2019.
MLA CitationGray, John 1948-. Seven Types of Atheism. [London, [etc.]]: Penguin Books, 2019.
Warning: These citations may not always be 100% accurate.