American Society of Agronomy. Division A-6, World Association of Soil and Water Conservation, Lal, R., & S�nchez, P. A. (1992). Myths and science of soils of the tropics: Proceedings of an international symposium sponsored by Division A-6 of the American Society of Agronomy, the World Association of Soil and Water Conservation, and the Soil and Water Conservation Society, in Las Vegas, Nevada, 17 Oct. 1989. Soil Science Society of America.
Chicago Style (17th ed.) CitationAmerican Society of Agronomy. Division A-6, World Association of Soil and Water Conservation, R. Lal, and Pedro A. S�nchez. Myths and Science of Soils of the Tropics: Proceedings of an International Symposium Sponsored by Division A-6 of the American Society of Agronomy, the World Association of Soil and Water Conservation, and the Soil and Water Conservation Society, in Las Vegas, Nevada, 17 Oct. 1989. Madison, Wis., USA: Soil Science Society of America, 1992.
MLA (9th ed.) CitationAmerican Society of Agronomy. Division A-6, et al. Myths and Science of Soils of the Tropics: Proceedings of an International Symposium Sponsored by Division A-6 of the American Society of Agronomy, the World Association of Soil and Water Conservation, and the Soil and Water Conservation Society, in Las Vegas, Nevada, 17 Oct. 1989. Soil Science Society of America, 1992.