Press, F., & Siever, R. (1994). Understanding earth. W. H. Freeman and Company.
Chicago Style (17th ed.) CitationPress, Frank, and Rymond Siever. Understanding Earth. New York: W. H. Freeman and Company, 1994.
MLA (8th ed.) CitationPress, Frank, and Rymond Siever. Understanding Earth. W. H. Freeman and Company, 1994.
Warning: These citations may not always be 100% accurate.