Pius, P. C. C. P. (1935). Encyclical Letter of his Holiness Pius XI By Divine Providence Pope... On the Catholic Priesthood. Rome.
Chicago Style (17th ed.) CitationPius, Pope; Catholic Church. Pope. Encyclical Letter of His Holiness Pius XI By Divine Providence Pope... On the Catholic Priesthood. Rome, 1935.
MLA (8th ed.) CitationPius, Pope; Catholic Church. Pope. Encyclical Letter of His Holiness Pius XI By Divine Providence Pope... On the Catholic Priesthood. Rome, 1935.
Warning: These citations may not always be 100% accurate.