Cita APA (7a ed.)

FIELD, B. C., & FIELD, B. C. (1994). Environmental Economics An Introduction Barry C. Field. McGraw-Hill.

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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