APA (7th ed.) Citation

Thomas, v. A. (1901). S. Thomæ Aquinatis Summa theologica S. Thomæ Aquinatis Summa theologica.

Chicago Style (17th ed.) Citation

Thomas, von Aquin. "S. Thomæ Aquinatis Summa Theologica." S. Thomæ Aquinatis Summa Theologica 1901.

MLA (9th ed.) Citation

Thomas, von Aquin. "S. Thomæ Aquinatis Summa Theologica." S. Thomæ Aquinatis Summa Theologica, 1901.

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