APA (7th ed.) Citation

John XXIII, P. (1961). 1961 Christmas message: Address given ... on December 21, 1961. National Catholic Welfare Conference.

Chicago Style (17th ed.) Citation

John XXIII, Pope. 1961 Christmas Message: Address Given ... on December 21, 1961. Washington: National Catholic Welfare Conference, 1961.

MLA (8th ed.) Citation

John XXIII, Pope. 1961 Christmas Message: Address Given ... on December 21, 1961. National Catholic Welfare Conference, 1961.

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