APA (7th ed.) Citation

Huberty, M. R. (1959). Natural resources. McGraw-Hill Comp.

Chicago Style (17th ed.) Citation

Huberty, Martin R. Natural Resources. New York [u.a.]: McGraw-Hill Comp, 1959.

MLA (9th ed.) Citation

Huberty, Martin R. Natural Resources. McGraw-Hill Comp, 1959.