Cita APA (7th ed.)

Nriagu, J. O. (1979). Copper in the environment. John Wiley.

Cita Chicago (17th ed.)

Nriagu, Jerome O. Copper in the Environment. Nueva York: John Wiley, 1979.

Cita MLA (9th ed.)

Nriagu, Jerome O. Copper in the Environment. John Wiley, 1979.