Citazione Stile APA (7a Edizione)

Cramer, G. L., & Jensen, C. W. (1988). Agricultural economics and agribusiness (4th ed.). Wiley.

Citazione stile Chigago Style (17a edizione)

Cramer, Gail L., e Clarence W. Jensen. Agricultural Economics and Agribusiness. 4th ed. New York: Wiley, 1988.

Citatione MLA (8a ed.)

Cramer, Gail L., e Clarence W. Jensen. Agricultural Economics and Agribusiness. 4th ed. Wiley, 1988.