APA (7th ed.) Citation

Maritain, J. (1948). A preface to metaphysics. Sheed and Ward.

Chicago Style (17th ed.) Citation

Maritain, Jacques. A Preface to Metaphysics. Nueva York: Sheed and Ward, 1948.

MLA (9th ed.) Citation

Maritain, Jacques. A Preface to Metaphysics. Sheed and Ward, 1948.