Cita APA

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

Citación estilo Chicago

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

Cita MLA

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