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