Cita APA (7a ed.)

Field, B. C. (1997). Environmental economics: An introduction (2nd ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Field, Barry C. Environmental Economics: An Introduction. 2nd ed. New York [etc.]: McGraw-Hill, 1997.

Cita MLA (9a ed.)

Field, Barry C. Environmental Economics: An Introduction. 2nd ed. McGraw-Hill, 1997.