Gaya APA

Louis, D, R. (1957). The Philosophy of Being : A Synthesis of Metaphysics (First Published). South Broadway, St. Louis: B. Herder Book Co..

Gaya MLA

Louis, De, RAEYMAEKER,. "The Philosophy of Being : A Synthesis of Metaphysics". First Published South Broadway, St. Louis: B. Herder Book Co., 1957. Text.