Kepler, J. S. (1976). The exchange of Christendom: The international entrepôt at Dover, 1622 - 1651. Leicester Univ. Pr.
芝加哥风格引文Kepler, J. S. The Exchange of Christendom: The International Entrepôt at Dover, 1622 - 1651. Leicester: Leicester Univ. Pr, 1976.
MLA引文Kepler, J. S. The Exchange of Christendom: The International Entrepôt at Dover, 1622 - 1651. Leicester Univ. Pr, 1976.
警告：这些引文格式不一定是100％准确.