Dunwell, F. F. (2008). Hudson: America's river. Columbia University Press.
芝加哥风格引文Dunwell, Frances F. Hudson: America's River. New York: Columbia University Press, 2008.
MLA引文Dunwell, Frances F. Hudson: America's River. Columbia University Press, 2008.
警告：这些引文格式不一定是100％准确.