Citação APA (7ª ed.)
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.
Citação do estilo Chicago (17ª ed.)
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.
Citação MLA (9ª ed.)
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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.