Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Juan Pablo II, Papa, Arturo Mari, y Joseph Bernardin. Pope John Paul II, Pilgrim of Peace. New York: Harmony Books, 1987.

Cita MLA (9a ed.)

Juan Pablo II, Papa, et al. Pope John Paul II, Pilgrim of Peace. Harmony Books, 1987.