Citazione Stile APA (7a Edizione)

Cramer, G. L., & Jensen, C. W. (1997). Agricultural economics and agribusiness (6th. ed.). john wiley & sons, inc.

Citazione stile Chigago Style (17a edizione)

Cramer, Gail L., e Clarence W. Jensen. Agricultural Economics and Agribusiness. 6th. ed. New York: john wiley & sons, inc, 1997.

Citatione MLA (9a ed.)

Cramer, Gail L., e Clarence W. Jensen. Agricultural Economics and Agribusiness. 6th. ed. john wiley & sons, inc, 1997.