APA (7th ed.) Citation

Vatican Council Basilica di San Pietro in Vaticano & National Catholic Welfare Conference. (1964). Decree on ecumenism: November 21, 1964. National Catholic Welfare Conference.

Chicago Style (17th ed.) Citation

Vatican Council Basilica di San Pietro in Vaticano and National Catholic Welfare Conference. Decree on Ecumenism: November 21, 1964. Washington: National Catholic Welfare Conference, 1964.

MLA (8th ed.) Citation

Vatican Council Basilica di San Pietro in Vaticano and National Catholic Welfare Conference. Decree on Ecumenism: November 21, 1964. National Catholic Welfare Conference, 1964.