Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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