Kertzer, D. I. (2004). Prisoner of the Vatican: The Pope's secret plot to capture Rome from the new Italian state. Houghton Mifflin.
芝加哥风格引文Kertzer, David I. Prisoner of the Vatican: The Pope's Secret Plot to Capture Rome from the New Italian State. New York, NY: Houghton Mifflin, 2004.
MLA引文Kertzer, David I. Prisoner of the Vatican: The Pope's Secret Plot to Capture Rome from the New Italian State. Houghton Mifflin, 2004.
警告：这些引文格式不一定是100％准确.