APA (7th ed.) Citation

Feldmann, C. (2000). Pope John XXIII: A spiritual biography. Crossroad.

Chicago Style (17th ed.) Citation

Feldmann, Christian. Pope John XXIII: A Spiritual Biography. New York: Crossroad, 2000.

MLA (8th ed.) Citation

Feldmann, Christian. Pope John XXIII: A Spiritual Biography. Crossroad, 2000.

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