APA (7th ed.) Citation

Thomas, A. On the truth of the Catholic faith: Summa contra gentiles.

Chicago Style (17th ed.) Citation

Thomas, Aquinas. On the Truth of the Catholic Faith: Summa Contra Gentiles.

MLA (9th ed.) Citation

Thomas, Aquinas. On the Truth of the Catholic Faith: Summa Contra Gentiles.

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