O'Brien, M. C. (1939). The antecedents of being: An analysis of the concept de nihilo in the philosophy of Saint Thomas Aquinas, a study in Thomistic metaphysics. The Catholic university of America press.
Chicago Style (17th ed.) CitationO'Brien, Mary Consilia. The Antecedents of Being: An Analysis of the Concept De Nihilo in the Philosophy of Saint Thomas Aquinas, a Study in Thomistic Metaphysics. Washington, D.C: The Catholic university of America press, 1939.
MLA (9th ed.) CitationO'Brien, Mary Consilia. The Antecedents of Being: An Analysis of the Concept De Nihilo in the Philosophy of Saint Thomas Aquinas, a Study in Thomistic Metaphysics. The Catholic university of America press, 1939.
Warning: These citations may not always be 100% accurate.