APA (7th ed.) Citation

Velde, B. (1977). Clays and clay minerals in natural and synthetic systems. Elsevier Scientific Pub. Co.

Chicago Style (17th ed.) Citation

Velde, B. Clays and Clay Minerals in Natural and Synthetic Systems. Amsterdam: Elsevier Scientific Pub. Co, 1977.

MLA (9th ed.) Citation

Velde, B. Clays and Clay Minerals in Natural and Synthetic Systems. Elsevier Scientific Pub. Co, 1977.