Cita APA (7th ed.)

Evans, A. M. (1997). An Introduction to economic geology and its environmental: Impact. Blackwell.

Cita Chicago (17th ed.)

Evans, Anthony M. An Introduction to Economic Geology and Its Environmental: Impact. Oxford: Blackwell, 1997.

Cita MLA (9th ed.)

Evans, Anthony M. An Introduction to Economic Geology and Its Environmental: Impact. Blackwell, 1997.