APA Citation

Guardini, R., & Krieg, R. A. (2005). Romano Guardini: Spiritual writings. Maryknoll, N.Y.: Orbis Books.

MLA Citation

Guardini, Romano, and Robert Anthony Krieg. Romano Guardini: Spiritual Writings. Maryknoll, N.Y.: Orbis Books, 2005.

Warning: These citations may not always be 100% accurate.