APA (7th ed.) Citation

Day, D., & Sicius, F. J. (2004). Peter Maurin: Apostle to the world. Orbis Books.

Chicago Style (17th ed.) Citation

Day, Dorothy, and Francis J. Sicius. Peter Maurin: Apostle to the World. Maryknoll, N.Y.: Orbis Books, 2004.

MLA (8th ed.) Citation

Day, Dorothy, and Francis J. Sicius. Peter Maurin: Apostle to the World. Orbis Books, 2004.