O'Reilly, B. (1878). Leo XIII and his probable policy. New York.
Chicago Style (17th ed.) CitationO'Reilly, Bernard. Leo XIII and His Probable Policy. New York, 1878.
MLA (8th ed.) CitationO'Reilly, Bernard. Leo XIII and His Probable Policy. New York, 1878.
Warning: These citations may not always be 100% accurate.