Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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