APA (7th ed.) Citation

Thomas, A. S. 1. (1948). Summa theologica (Complete English ed.). Christian Classics.

Chicago Style (17th ed.) Citation

Thomas, Aquinas Saint 1225?-1274. Summa Theologica. Complete English ed. Allen, Tex: Christian Classics, 1948.

MLA (9th ed.) Citation

Thomas, Aquinas Saint 1225?-1274. Summa Theologica. Complete English ed. Christian Classics, 1948.