Percy, L. E. S. C. (1930). Maritime trade in war: Lectures on the freedom of the seas. Published for the Institute of Politics by Yale University Press.
芝加哥风格引文Percy, Lord Eustace Sutherland Campbell. Maritime Trade in War: Lectures on the Freedom of the Seas. New Haven: Published for the Institute of Politics by Yale University Press, 1930.
MLA引文Percy, Lord Eustace Sutherland Campbell. Maritime Trade in War: Lectures on the Freedom of the Seas. Published for the Institute of Politics by Yale University Press, 1930.
警告：这些引文格式不一定是100％准确.