APA stil citiranja

Armstrong, S. J., & Botzler, R. G. (1993). Environmental ethics: Environmental ethics : divergence and convergence. Boston [etc.]: McGraw Hill.

Chicago stil citiranja

Armstrong, Susan J., and Richard G. Botzler. Environmental ethics: Environmental ethics : divergence and convergence. Boston [etc.]: McGraw Hill, 1993.

MLA stil citiranja

Armstrong, Susan J., and Richard G. Botzler. Environmental ethics: Environmental ethics : divergence and convergence. Boston [etc.]: McGraw Hill, 1993.