APA (7th ed.) Citation

National Research Council (U.S.). Committee on Tropical Soils. (1972). Soils of the humid tropics. National Academy of Sciences.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Committee on Tropical Soils. Soils of the Humid Tropics. Washington: National Academy of Sciences, 1972.

MLA (9th ed.) Citation

National Research Council (U.S.). Committee on Tropical Soils. Soils of the Humid Tropics. National Academy of Sciences, 1972.

Warning: These citations may not always be 100% accurate.