Cita APA (7th ed.)

Kahn, J. R. (2005). The economic approach to environmental and natural resources (3rd ed.). Thomson/South-Western.

Cita Chicago (17th ed.)

Kahn, James R. The Economic Approach to Environmental and Natural Resources. 3rd ed. Mason, Ohio: Thomson/South-Western, 2005.

Cita MLA (9th ed.)

Kahn, James R. The Economic Approach to Environmental and Natural Resources. 3rd ed. Thomson/South-Western, 2005.