APA (7th ed.) Citation

FIELD, B. C., & FIELD, M. K. (2002). Environmental economics: An introduction.-- ed.3. McGraw-Hill.

Chicago Style (17th ed.) Citation

FIELD, Barry C., and Martha K. FIELD. Environmental Economics: An Introduction.-- Ed.3. Boston: McGraw-Hill, 2002.

MLA (9th ed.) Citation

FIELD, Barry C., and Martha K. FIELD. Environmental Economics: An Introduction.-- Ed.3. McGraw-Hill, 2002.