APA (7th ed.) Citation

Pius XII, P. (1946). 1946 Christmas message of Pope Pius XII: A plea for a prompt, just and flexible peace. National Catholic Welfare Conference.

Chicago Style (17th ed.) Citation

Pius XII, Pope. 1946 Christmas Message of Pope Pius XII: A Plea for a Prompt, Just and Flexible Peace. Washington, D.C.: National Catholic Welfare Conference, 1946.

MLA (8th ed.) Citation

Pius XII, Pope. 1946 Christmas Message of Pope Pius XII: A Plea for a Prompt, Just and Flexible Peace. National Catholic Welfare Conference, 1946.