APA

Joannes, . (1961). Letter of his Holines 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.

Chicago

Joannes, . 1961. Letter of his Holines 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.

Harvard

Joannes, . (1961). Letter of his Holines 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.

MLA

Joannes, . Letter of his Holines 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. 1961.