Cita APA (7th ed.)

Welch, S. (1983). Scarce natural resources: The challenge to public policymaking. Sage.

Cita Chicago (17th ed.)

Welch, Susan. Scarce Natural Resources: The Challenge to Public Policymaking. Beverly Hills: Sage, 1983.

Cita MLA (9th ed.)

Welch, Susan. Scarce Natural Resources: The Challenge to Public Policymaking. Sage, 1983.