APA (7th ed.) Citation

Thomas, v. A., & Goetz, P. W. The summa theologica. Encyclopaedia Britannica, Inc.

Chicago Style (17th ed.) Citation

Thomas, von Aquin, and Philip W. Goetz. The Summa Theologica. Chicago [u.a.]: Encyclopaedia Britannica, Inc.

MLA (9th ed.) Citation

Thomas, von Aquin, and Philip W. Goetz. The Summa Theologica. Encyclopaedia Britannica, Inc.

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