APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Field, Barry C. Environmental Economics: An Introduction. int'l ed. Singapore: McGraw-Hill, 1994.

MLA (9th ed.) Citation

Field, Barry C. Environmental Economics: An Introduction. int'l ed. McGraw-Hill, 1994.