Cita APA (7th ed.)

Gordon, R. B. (1987). Toward a new iron agen: Quantitative modeling of resource exhaustion. Harvard University Press.

Cita Chicago (17th ed.)

Gordon, Robert B. Toward a New Iron Agen: Quantitative Modeling of Resource Exhaustion. Cambridge, Mass: Harvard University Press, 1987.

Cita MLA (9th ed.)

Gordon, Robert B. Toward a New Iron Agen: Quantitative Modeling of Resource Exhaustion. Harvard University Press, 1987.