Citazione Stile APA (7a Edizione)

Bennett, H. H. (1939). Soil conservation. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Bennett, Hugh Hammond. Soil Conservation. New York: McGraw-Hill, 1939.

Citatione MLA (9a ed.)

Bennett, Hugh Hammond. Soil Conservation. McGraw-Hill, 1939.