APA (7th ed.) Citation

Gardner, B. L. (2002). American agriculture in the twentieth century: How it flourished and what it cost / Bruce L. Gardner. Harvard University Press.

Chicago Style (17th ed.) Citation

Gardner, Bruce L. American Agriculture in the Twentieth Century: How It Flourished and What It Cost / Bruce L. Gardner. Cambridge, Mass.: Harvard University Press, 2002.

MLA (8th ed.) Citation

Gardner, Bruce L. American Agriculture in the Twentieth Century: How It Flourished and What It Cost / Bruce L. Gardner. Harvard University Press, 2002.

Warning: These citations may not always be 100% accurate.