Cita APA (7th ed.)

Maritain, J. (1962). An introduction to philosophy. Sheed and Ward.

Cita Chicago (17th ed.)

Maritain, Jacques. An Introduction to Philosophy. New York: Sheed and Ward, 1962.

Cita MLA (9th ed.)

Maritain, Jacques. An Introduction to Philosophy. Sheed and Ward, 1962.