APA (7th ed.) Citation

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. National Catholic Welfare Conference.

Chicago Style (17th ed.) Citation

Pius 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. Washington: National Catholic Welfare Conference, 1957.

MLA (8th ed.) Citation

Pius 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. National Catholic Welfare Conference, 1957.