APA (7th ed.) Citation

Callahan, J. F. (1967). Augustine and the Greek philosophers. Villanova University Press.

Chicago Style (17th ed.) Citation

Callahan, John Francis. Augustine and the Greek Philosophers. [Villanova, Pa.: Villanova University Press, 1967.

MLA (8th ed.) Citation

Callahan, John Francis. Augustine and the Greek Philosophers. Villanova University Press, 1967.