McIntyre, K. B. (2011). Herbert Butterfield: History, providence, and skeptical politics. ISI Books.
芝加哥风格引文McIntyre, Kenneth B. Herbert Butterfield: History, Providence, and Skeptical Politics. Wilmington, Delaware: ISI Books, 2011.
MLA引文McIntyre, Kenneth B. Herbert Butterfield: History, Providence, and Skeptical Politics. ISI Books, 2011.
警告：这些引文格式不一定是100％准确.