APA
Maritain J., . (1956). An Introduction to Philosophy. London; New York: Sheed and Ward.
Chicago
Maritain J, . 1956. An Introduction to Philosophy. London; New York: Sheed and Ward.
Harvard
Maritain J., . (1956). An Introduction to Philosophy. London; New York: Sheed and Ward.
MLA
Maritain J, . An Introduction to Philosophy. London; New York: Sheed and Ward. 1956.
