APA Citation

Thomas, A., & Kreeft, P. (1993). A shorter Summa: The most essential philosophical passages of St. Thomas Aquinas' Summa theologica. San Francisco: Ignatius Press.

MLA Citation

Thomas, Aquinas, and Peter Kreeft. A Shorter Summa: The Most Essential Philosophical Passages of St. Thomas Aquinas' Summa Theologica. San Francisco: Ignatius Press, 1993.

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