APA (7th ed.) Citation

Shafer, R. (1926). Christianity and naturalism: Essays in criticism, second series. Yale university press; [etc., etc.].

Chicago Style (17th ed.) Citation

Shafer, Robert. Christianity and Naturalism: Essays in Criticism, Second Series. New Haven: Yale university press; [etc., etc.], 1926.

MLA (9th ed.) Citation

Shafer, Robert. Christianity and Naturalism: Essays in Criticism, Second Series. Yale university press; [etc., etc.], 1926.