APA (7th ed.) Citation

Ashton, J. F. (2002). On the seventh day: 40 Scientists and academics explain why they believe in God. Master Books.

Chicago Style (17th ed.) Citation

Ashton, John F. On the Seventh Day: 40 Scientists and Academics Explain Why They Believe in God. Green Forest, AR: Master Books, 2002.

MLA (9th ed.) Citation

Ashton, John F. On the Seventh Day: 40 Scientists and Academics Explain Why They Believe in God. Master Books, 2002.