APA (7th ed.) Citation

Stanley, S. M. (1989). Earth and life through time (2nd edition.). W. H. Freeman and Company.

Chicago Style (17th ed.) Citation

Stanley, Steven M. Earth and Life Through Time. 2nd edition. New York: W. H. Freeman and Company, 1989.

MLA (8th ed.) Citation

Stanley, Steven M. Earth and Life Through Time. 2nd edition. W. H. Freeman and Company, 1989.