Cita APA (7a ed.)

Weigel, G. (2005). Witness to Hope: : The Biography of Pope John Paul II (1920-2005). Harper Collins.

Cita Chicago Style (17a ed.)

Weigel, George. Witness to Hope: : The Biography of Pope John Paul II (1920-2005). Harper Collins, 2005.

Cita MLA (9a ed.)

Weigel, George. Witness to Hope: : The Biography of Pope John Paul II (1920-2005). Harper Collins, 2005.