ALLISON, I. S. (1974). Geology: The science of a changing earth. McGraw-Hill.
Cita Chicago Style (17a ed.)ALLISON, Ira S. Geology: The Science of a Changing Earth. New York: McGraw-Hill, 1974.
Cita MLA (9a ed.)ALLISON, Ira S. Geology: The Science of a Changing Earth. McGraw-Hill, 1974.
Precaución: Estas citas no son 100% exactas.