Citazione Stile APA (7a Edizione)

OLSON, G. W. (1981). Soils and the environment: Aguide to soil surveys andtheir applications. Champman and Hall.

Citazione stile Chigago Style (17a edizione)

OLSON, Gerald W. Soils and the Environment: Aguide to Soil Surveys Andtheir Applications. New York: Champman and Hall, 1981.

Citatione MLA (9a ed.)

OLSON, Gerald W. Soils and the Environment: Aguide to Soil Surveys Andtheir Applications. Champman and Hall, 1981.