Cheetham, N. Keepers of the keys: A history of the Popes from St. Peter to John Paul II.
Style de citation Chicago (17e éd.)Cheetham, Nicolas. Keepers of the Keys: A History of the Popes from St. Peter to John Paul II.
Style de citation MLA (8e éd.)Cheetham, Nicolas. Keepers of the Keys: A History of the Popes from St. Peter to John Paul II.
Attention : ces citations peuvent ne pas être correctes à 100%.