APA (7th ed.) Citation

Hartshorne, C. (1967). A natural theology for our time. Open Court.

Chicago Style (17th ed.) Citation

Hartshorne, Charles. A Natural Theology for Our Time. La Salle, Ill: Open Court, 1967.

MLA (9th ed.) Citation

Hartshorne, Charles. A Natural Theology for Our Time. Open Court, 1967.