Helzer, C. (2010). The ecology and management of prairies in the central United States. Published for The Nature Conservancy by the University of Iowa Press.
芝加哥风格引文Helzer, Chris. The Ecology and Management of Prairies in the Central United States. Iowa City: Published for The Nature Conservancy by the University of Iowa Press, 2010.
MLA引文Helzer, Chris. The Ecology and Management of Prairies in the Central United States. Published for The Nature Conservancy by the University of Iowa Press, 2010.
警告：这些引文格式不一定是100％准确.