APA (7th ed.) Citation

Pius XII, P. (1950). 1949 Christmas message of Pope Pius XII: Radio message to the world given December 23, 1949. National Catholic Welfare Conference.

Chicago Style (17th ed.) Citation

Pius XII, Pope. 1949 Christmas Message of Pope Pius XII: Radio Message to the World Given December 23, 1949. Washington, D.C.: National Catholic Welfare Conference, 1950.

MLA (8th ed.) Citation

Pius XII, Pope. 1949 Christmas Message of Pope Pius XII: Radio Message to the World Given December 23, 1949. National Catholic Welfare Conference, 1950.

Warning: These citations may not always be 100% accurate.