APA (7th ed.) Citation

Pieper, J. (1962). Guide to Thomas Aquinas. Pantheon Books.

Chicago Style (17th ed.) Citation

Pieper, Josef. Guide to Thomas Aquinas. [New York]: Pantheon Books, 1962.

MLA (8th ed.) Citation

Pieper, Josef. Guide to Thomas Aquinas. Pantheon Books, 1962.

Warning: These citations may not always be 100% accurate.