Cooper, J. D. (1986). A Trip Through Time: Principle Of Historical Geology. Merril Publishing Company.
Style de citation Chicago (17e éd.)Cooper, John D. A Trip Through Time: Principle Of Historical Geology. Merril Publishing Company, 1986.
Style de citation MLA (8e éd.)Cooper, John D. A Trip Through Time: Principle Of Historical Geology. Merril Publishing Company, 1986.
Attention : ces citations peuvent ne pas être correctes à 100%.