APA (7th ed.) Citation

(1993). The earth as transformed by human action: Global and regional changes in the biosphere over the past 300 years. Cambridge University.

Chicago Style (17th ed.) Citation

The Earth as Transformed by Human Action: Global and Regional Changes in the Biosphere over the Past 300 Years. Cambridge: Cambridge University, 1993.

MLA (9th ed.) Citation

The Earth as Transformed by Human Action: Global and Regional Changes in the Biosphere over the Past 300 Years. Cambridge University, 1993.