APA (7th ed.) Citation

Chesterton, G. K. (1933). Saint Thomas Aquinas. Sheed & Ward.

Chicago Style (17th ed.) Citation

Chesterton, G. K. Saint Thomas Aquinas. New York: Sheed & Ward, 1933.

MLA (8th ed.) Citation

Chesterton, G. K. Saint Thomas Aquinas. Sheed & Ward, 1933.