Cita APA (7a ed.)

Smith, V. L. (2013). Economics of natural & environmental resources. Routledge.

Cita Chicago Style (17a ed.)

Smith, Vernon L. Economics of Natural & Environmental Resources. Oxfordshire, England ; New York: Routledge, 2013.

Cita MLA (9a ed.)

Smith, Vernon L. Economics of Natural & Environmental Resources. Routledge, 2013.