APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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