Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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