APA (7th ed.) Citation

Thomas, v. A. (1485). Summa theologica. Summa theologica.

Chicago Style (17th ed.) Citation

Thomas, von Aquin. "Summa Theologica." Summa Theologica 1485.

MLA (9th ed.) Citation

Thomas, von Aquin. "Summa Theologica." Summa Theologica, 1485.

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