Moul, F. (2006). The National Grasslands: A Guide to America's Undiscovered Treasures. University of Nebraska Press.
Style de citation Chicago (17e éd.)Moul, Francis. The National Grasslands: A Guide to America's Undiscovered Treasures. Lincoln: University of Nebraska Press, 2006.
Style de citation MLA (8e éd.)Moul, Francis. The National Grasslands: A Guide to America's Undiscovered Treasures. University of Nebraska Press, 2006.
Attention : ces citations peuvent ne pas être correctes à 100%.