Cita APA (7th ed.)

Freeman, A. M. (1993). The measurement of environmental and resource values: Theory and methods. Resources for the Future.

Cita Chicago (17th ed.)

Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. Washington, D.C: Resources for the Future, 1993.

Cita MLA (9th ed.)

Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. Resources for the Future, 1993.