APA (7th ed.) Citation

Gale, R. M. (1993). On the nature and existence of god. U. Pr.

Chicago Style (17th ed.) Citation

Gale, Richard M. On the Nature and Existence of God. Cambridge: U. Pr, 1993.

MLA (9th ed.) Citation

Gale, Richard M. On the Nature and Existence of God. U. Pr, 1993.