APA引文

Press, F., & Siever, R. (2001). Understanding earth: Frank Press, Raymond Siever (3rd ed.). W.H.Freeman and Company.

Chicago Style (17th ed.) Citation

Press, Frank, and Raymond Siever. Understanding Earth: Frank Press, Raymond Siever. 3rd ed. New York: W.H.Freeman and Company, 2001.

MLA引文

Press, Frank, and Raymond Siever. Understanding Earth: Frank Press, Raymond Siever. 3rd ed. W.H.Freeman and Company, 2001.