APA (7th ed.) Citation

Armstrong, S. J., & Botzler, R. G. (1993). Environmental ethics: Divergence and convergence. McGraw-Hill.

Chicago Style (17th ed.) Citation

Armstrong, Susan J., and Richard George Botzler. Environmental Ethics: Divergence and Convergence. New York: McGraw-Hill, 1993.

MLA (9th ed.) Citation

Armstrong, Susan J., and Richard George Botzler. Environmental Ethics: Divergence and Convergence. McGraw-Hill, 1993.