Dubbs, C. (2014). America's U-boats: Terror trophies of World War I. University of Nebraska Press.
芝加哥风格引文Dubbs, Chris. America's U-boats: Terror Trophies of World War I. [Lincoln, Nebraska]: University of Nebraska Press, 2014.
MLA引文Dubbs, Chris. America's U-boats: Terror Trophies of World War I. University of Nebraska Press, 2014.
警告：这些引文格式不一定是100％准确.