Cita APA

Pius XII, P. (1954). On modern technology and peace: 1953 Christmas message of Pope Pius XII. Discourse ... broadcast to the world, Dec. 24, 1953. National Catholic Welfare Conference.

Citación estilo Chicago

Pius XII, Pope. On Modern Technology and Peace: 1953 Christmas Message of Pope Pius XII. Discourse ... Broadcast to the World, Dec. 24, 1953. Washington, D.C.: National Catholic Welfare Conference, 1954.

Cita MLA

Pius XII, Pope. On Modern Technology and Peace: 1953 Christmas Message of Pope Pius XII. Discourse ... Broadcast to the World, Dec. 24, 1953. National Catholic Welfare Conference, 1954.