APA (7th ed.) Citation

John Paul II, P., & Mari, A. (1987). Pope John Paul II, pilgrim of peace. Harmony Books.

Chicago Style (17th ed.) Citation

John Paul II, Pope, and Arturo Mari. Pope John Paul II, Pilgrim of Peace. New York: Harmony Books, 1987.

MLA (9th ed.) Citation

John Paul II, Pope, and Arturo Mari. Pope John Paul II, Pilgrim of Peace. Harmony Books, 1987.

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