APA Edition Citation

Callan, S. J., & Thomas, J. M. (2009). Environmental Economics.

Chicago Edition Citation

Callan, Scott J., and Janet M. Thomas. Environmental Economics. Australia, South Western Cengage Learning, 2009.

MLA Edition Citation

Callan, Scott J., and Janet M. Thomas. Environmental Economics. 2009.

Warning: These citations may not always be 100% accurate.