Press, F., & Siever, R. (1998). Understanding earth (2nd ed.). W. H. Freeman and Company.
Chicago Style (17th ed.) CitationPress, Frank, and Raymond Siever. Understanding Earth. 2nd ed. New York: W. H. Freeman and Company, 1998.
MLA (9th ed.) CitationPress, Frank, and Raymond Siever. Understanding Earth. 2nd ed. W. H. Freeman and Company, 1998.
Warning: These citations may not always be 100% accurate.