Thomas, v. A. (1973). The Existence of God and the Beginning of the World: From Summa Theologica. Philosophy of religion, 117-123.
Citazione stile Chigago Style (17a edizione)Thomas, von Aquin. "The Existence of God and the Beginning of the World: From Summa Theologica." Philosophy of Religion 1973: 117-123.
Citatione MLA (9a ed.)Thomas, von Aquin. "The Existence of God and the Beginning of the World: From Summa Theologica." Philosophy of Religion, 1973, pp. 117-123.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.