Barker, C. F. (2005). Under Michigan: The Story of Michigan's Rocks and Fossils. Wayne State University Press.
Style de citation Chicago (17e éd.)Barker, Charles Ferguson. Under Michigan: The Story of Michigan's Rocks and Fossils. Detroit: Wayne State University Press, 2005.
Style de citation MLA (8e éd.)Barker, Charles Ferguson. Under Michigan: The Story of Michigan's Rocks and Fossils. Wayne State University Press, 2005.
Attention : ces citations peuvent ne pas être correctes à 100%.