APA (7th ed.) Citation

Thomas, A. (1964). Treatise on happiness. Prentice-Hall.

Chicago Style (17th ed.) Citation

Thomas, Aquinas. Treatise on Happiness. Englewood Cliffs, N.J.: Prentice-Hall, 1964.

MLA (8th ed.) Citation

Thomas, Aquinas. Treatise on Happiness. Prentice-Hall, 1964.

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