Pius XII, P. J. B. H. G. C. T. (1944). Pius XII and Democracy, Christmas Message of ... December 24, 1944. New York.
Style de citation Chicago (17e éd.)Pius XII, Pope; John B Harney; Gerald C Treacy. Pius XII and Democracy, Christmas Message of ... December 24, 1944. New York, 1944.
Style de citation MLA (8e éd.)Pius XII, Pope; John B Harney; Gerald C Treacy. Pius XII and Democracy, Christmas Message of ... December 24, 1944. New York, 1944.
Attention : ces citations peuvent ne pas être correctes à 100%.