APA (7th ed.) Zitazioa
Maritain, J. (1958). A preface to metaphysics: Seven lectures on being. Sheed & Ward.
Chicago Style (17th ed.) Zitazioa
Maritain, Jacques. A Preface to Metaphysics: Seven Lectures on Being. New York: Sheed & Ward, 1958.
MLA (9th ed.) Zitazioa
Maritain, Jacques. A Preface to Metaphysics: Seven Lectures on Being. Sheed & Ward, 1958.
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