Pius, P. C. C. P. (1907). The Encyclical of His Holiness Pope Pius X on Modernism. New York.
Chicago Style (17th ed.) CitationPius, Pope; Catholic Church. Pope. The Encyclical of His Holiness Pope Pius X on Modernism. New York, 1907.
MLA (8th ed.) CitationPius, Pope; Catholic Church. Pope. The Encyclical of His Holiness Pope Pius X on Modernism. New York, 1907.
Warning: These citations may not always be 100% accurate.