(1972). The encyclopedia of geochemistry and environmental sciences. Dowden.
Cita Chicago Style (17a ed.)The Encyclopedia of Geochemistry and Environmental Sciences. Stroudsburg: Dowden, 1972.
Cita MLA (9a ed.)The Encyclopedia of Geochemistry and Environmental Sciences. Dowden, 1972.
Precaución: Estas citas no son 100% exactas.