APA (7th ed.) Citation

Thomas, A., & Williams, T. (2016). The treatise on happiness: The treatise on human acts : Summa theologiae I-II 1-21. Hackett Publishing Company, Inc..

Chicago Style (17th ed.) Citation

Thomas, Aquinas, and Thomas Williams. The Treatise on Happiness: The Treatise on Human Acts : Summa Theologiae I-II 1-21. Indianapolis: Hackett Publishing Company, Inc., 2016.

MLA (9th ed.) Citation

Thomas, Aquinas, and Thomas Williams. The Treatise on Happiness: The Treatise on Human Acts : Summa Theologiae I-II 1-21. Hackett Publishing Company, Inc., 2016.