APA (7th ed.) Zitazioa

(1972). The encyclopedia of geochemistry and environmental sciences. Dowden.

Chicago Style (17th ed.) Zitazioa

The Encyclopedia of Geochemistry and Environmental Sciences. Stroudsburg: Dowden, 1972.

MLA (9th ed.) Zitazioa

The Encyclopedia of Geochemistry and Environmental Sciences. Dowden, 1972.