APA (7th ed.) Citation

Ebert, J. D. (1999). Twilight of the clockwork God: Conversations on science and spirituality at the end of an age. Council Oak Books.

Chicago Style (17th ed.) Citation

Ebert, John David. Twilight of the Clockwork God: Conversations on Science and Spirituality at the End of an Age. Tulsa, Okla. [u.a.]: Council Oak Books, 1999.

MLA (8th ed.) Citation

Ebert, John David. Twilight of the Clockwork God: Conversations on Science and Spirituality at the End of an Age. Council Oak Books, 1999.