(1972). The encyclopedia of geochemistry and environmental sciences. Dowden.
Cita Chicago (17th ed.)The Encyclopedia of Geochemistry and Environmental Sciences. Stroudsburg: Dowden, 1972.
Cita MLA (9th ed.)The Encyclopedia of Geochemistry and Environmental Sciences. Dowden, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.