APA (7th ed.) Citation

Barnhart, B. (1999). Second simplicity: The inner shape of Christianity. Paulist Press.

Chicago Style (17th ed.) Citation

Barnhart, Bruno. Second Simplicity: The Inner Shape of Christianity. New York: Paulist Press, 1999.

MLA (8th ed.) Citation

Barnhart, Bruno. Second Simplicity: The Inner Shape of Christianity. Paulist Press, 1999.