APA (7th ed.) Citation

Tomás de Aquino, S. (1981). Summa Theologica. Christian Classics.

Chicago Style (17th ed.) Citation

Tomás de Aquino, Santo. Summa Theologica. Westminster [Maryland]: Christian Classics, 1981.

MLA (9th ed.) Citation

Tomás de Aquino, Santo. Summa Theologica. Christian Classics, 1981.

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