Style de citation APA (7e éd.)

Callan, S., & Thomas, J. M. (2013). Environmental economics and management: Theory, policy, and applications (6th ed.). Dryden Press.

Style de citation Chicago (17e éd.)

Callan, Scott, et Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. 6th ed. Fort Worth, Tex: Dryden Press, 2013.

Style de citation MLA (9e éd.)

Callan, Scott, et Janet M. Thomas. Environmental Economics and Management: Theory, Policy, and Applications. 6th ed. Dryden Press, 2013.