Cita APA (7th ed.)

Holechek, J. L., Cole, R. A., & Fisher, J. T. (2000). Natural resources: Ecology, economics, and policy. Prentice Hall.

Cita Chicago (17th ed.)

Holechek, Jerry L., Richard A. Cole, i James T. Fisher. Natural Resources: Ecology, Economics, and Policy. Upper Saddle River, NJ: Prentice Hall, 2000.

Cita MLA (9th ed.)

Holechek, Jerry L., et al. Natural Resources: Ecology, Economics, and Policy. Prentice Hall, 2000.