APA (7th ed.) Citation

Hillel, D. (1972). Optimizing the soil physical environment toward greater crop yields. Academic Press.

Chicago Style (17th ed.) Citation

Hillel, Daniel. Optimizing the Soil Physical Environment Toward Greater Crop Yields. New York: Academic Press, 1972.

MLA (9th ed.) Citation

Hillel, Daniel. Optimizing the Soil Physical Environment Toward Greater Crop Yields. Academic Press, 1972.