Pius XII, P. (1957). Guiding principles of the lay apostolate: Address of His Holiness Pope Pius XII to the Second World Congress of the Lay Apostolate, October 5, 1957 ; Appendix : summation of conclusions adopted by the congress. National Catholic Welfare Conference.
Chicago Style (17th ed.) CitationPius XII, Pope. Guiding Principles of the Lay Apostolate: Address of His Holiness Pope Pius XII to the Second World Congress of the Lay Apostolate, October 5, 1957 ; Appendix : Summation of Conclusions Adopted by the Congress. Washington, D.C.: National Catholic Welfare Conference, 1957.
MLA (8th ed.) CitationPius XII, Pope. Guiding Principles of the Lay Apostolate: Address of His Holiness Pope Pius XII to the Second World Congress of the Lay Apostolate, October 5, 1957 ; Appendix : Summation of Conclusions Adopted by the Congress. National Catholic Welfare Conference, 1957.