APA (7th ed.) Citation

Arnold, C. E. (1997). 3 crucial questions about spiritual warfare. Baker Books.

Chicago Style (17th ed.) Citation

Arnold, Clinton E. 3 Crucial Questions About Spiritual Warfare. Grand Rapids, Mich.: Baker Books, 1997.

MLA (9th ed.) Citation

Arnold, Clinton E. 3 Crucial Questions About Spiritual Warfare. Baker Books, 1997.