Cita APA (7a ed.)

Press, F. (2004). Understanding earth (4th ed.). W.H. Freeman and Company.

Cita Chicago Style (17a ed.)

Press, Frank. Understanding Earth. 4th ed. New York: W.H. Freeman and Company, 2004.

Cita MLA (9a ed.)

Press, Frank. Understanding Earth. 4th ed. W.H. Freeman and Company, 2004.