Halperin, S. W. (1936). Church and State in Italy during the Last Years of Pius IX. Church history, 5, 71-84.
芝加哥风格引文Halperin, Samuel William. "Church and State in Italy During the Last Years of Pius IX." Church History 5 (1936): 71-84.
MLA引文Halperin, Samuel William. "Church and State in Italy During the Last Years of Pius IX." Church History, vol. 5, 1936, pp. 71-84.
警告：这些引文格式不一定是100％准确.