APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Clawson, Marion, Lyle Thomas Alexander, and Hans H. Landsberg. The Agricultural Potential of the Middle East. New York: American Elsevier, 1971.

MLA (9th ed.) Citation

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