Cita APA

Callan, S., & Thomas, J. M. (2004). Environmental economics and management: Theory, policy, and applications (3rd ed.). Dryden Press.

Citación estilo Chicago

Callan, Scott, and Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. 3rd ed. Fort Worth, Tex: Dryden Press, 2004.

Cita MLA

Callan, Scott, and Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. 3rd ed. Dryden Press, 2004.