Cita APA (7th ed.)

Fell, J. E. (2009). Ores to metals: The Rocky Mountain smelting industry. University Press of Colorado.

Cita Chicago (17th ed.)

Fell, James E. Ores to Metals: The Rocky Mountain Smelting Industry. Boulder: University Press of Colorado, 2009.

Cita MLA (9th ed.)

Fell, James E. Ores to Metals: The Rocky Mountain Smelting Industry. University Press of Colorado, 2009.