Cita APA (7a ed.)

Field, B. C. (1994). Environmental economics: An introduction. McGraw-Hill.

Cita Chicago Style (17a ed.)

Field, Barry C. Environmental Economics: An Introduction. New York: McGraw-Hill, 1994.

Cita MLA (8a ed.)

Field, Barry C. Environmental Economics: An Introduction. McGraw-Hill, 1994.