APA (7th ed.) Citation

Stevens, C. The Summa Theologica: : evolution of a Masterpiece.

Chicago Style (17th ed.) Citation

Stevens, Clifford. The Summa Theologica: : Evolution of a Masterpiece.

MLA (9th ed.) Citation

Stevens, Clifford. The Summa Theologica: : Evolution of a Masterpiece.

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