APA (7th ed.) Citation

John XXIII, P. (1963). Letter of his holiness Pope John XXIII: To the most reverend ordinaries and major superiors of the religious congregations of the Church in the United States (April 21, 1963) : an expression of appreciation for their cooperation in supplying personnel to the church in Latin America. National Catholic Welfare Conference.

Chicago Style (17th ed.) Citation

John XXIII, Pope. Letter of His Holiness Pope John XXIII: To the Most Reverend Ordinaries and Major Superiors of the Religious Congregations of the Church in the United States (April 21, 1963) : An Expression of Appreciation for Their Cooperation in Supplying Personnel to the Church in Latin America. Washington, D.C.: National Catholic Welfare Conference, 1963.

MLA (8th ed.) Citation

John XXIII, Pope. Letter of His Holiness Pope John XXIII: To the Most Reverend Ordinaries and Major Superiors of the Religious Congregations of the Church in the United States (April 21, 1963) : An Expression of Appreciation for Their Cooperation in Supplying Personnel to the Church in Latin America. National Catholic Welfare Conference, 1963.