Citazione Stile APA (7a Edizione)

Clawson, M., Landsberg, H. H., & Alexander, L. T. (1971). The agricultural potential of the Middle East. American Elsevier Pub. Co..

Citazione stile Chigago Style (17a edizione)

Clawson, Marion, Hans H. Landsberg, e Lyle T. Alexander. The Agricultural Potential of the Middle East. New York: American Elsevier Pub. Co., 1971.

Citatione MLA (9a ed.)

Clawson, Marion, et al. The Agricultural Potential of the Middle East. American Elsevier Pub. Co., 1971.