APA (7e ed.) Bronvermelding

Pius XII, P. (1957). States of perfection: Address of His Holiness Pope Pius XII to the Second General Congress of the States of Perfection, December 12, 1957. National Catholic Welfare Conference.

Chicago (17e ed.) Bronvermelding

Pius XII, Pope. States of Perfection: Address of His Holiness Pope Pius XII to the Second General Congress of the States of Perfection, December 12, 1957. Washington: National Catholic Welfare Conference, 1957.

MLA (8e ed.) Bronvermelding

Pius XII, Pope. States of Perfection: Address of His Holiness Pope Pius XII to the Second General Congress of the States of Perfection, December 12, 1957. National Catholic Welfare Conference, 1957.