APA (7th ed.) Citation

Olivi, P. J., & Karris, R. J. (2012). Spiritual warfare and six other spiritual writings. Franciscan Institute Publications.

Chicago Style (17th ed.) Citation

Olivi, Pierre Jean, and Robert J. Karris. Spiritual Warfare and Six Other Spiritual Writings. St. Bonaventure, New York: Franciscan Institute Publications, 2012.

MLA (9th ed.) Citation

Olivi, Pierre Jean, and Robert J. Karris. Spiritual Warfare and Six Other Spiritual Writings. Franciscan Institute Publications, 2012.