Cita APA (7a ed.)

Bobro, M., Giec, B., Kantor, M., Kniaź, T., Koczurek, B., Juszkiewicz-Mydlarz, K., . . . Zabawa, J. (2016). World Youth Days: A testimony to the hope of young people. Pontifical University of John Paul II in Krakow Press.

Cita Chicago Style (17a ed.)

Bobro, Magdalena, et al. World Youth Days: A Testimony to the Hope of Young People. Kraków: Pontifical University of John Paul II in Krakow Press, 2016.

Cita MLA (9a ed.)

Bobro, Magdalena, et al. World Youth Days: A Testimony to the Hope of Young People. Pontifical University of John Paul II in Krakow Press, 2016.