Citação norma APA

Catholic Church. Pope (1878-1903 : Leo XIII) & Treacy, G. C. (1941). The chief duties of Christians as citizens. The Paulist Press.

Citação norma Chicago

Catholic Church. Pope (1878-1903 : Leo XIII) and Gerald C. Treacy. The Chief Duties of Christians as Citizens. New York: The Paulist Press, 1941.

Citação norma MLA

Catholic Church. Pope (1878-1903 : Leo XIII) and Gerald C. Treacy. The Chief Duties of Christians as Citizens. The Paulist Press, 1941.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.