Krout, J. A. (1965). United States since 1865 (15th ed.). Barnes and Noble.
芝加哥风格引文Krout, John Allen. United States Since 1865. 15th ed. New York: Barnes and Noble, 1965.
MLA引文Krout, John Allen. United States Since 1865. 15th ed. Barnes and Noble, 1965.
警告：这些引文格式不一定是100％准确.