Cita APA

Duckham, A. N., Jones, J. G. W., & Roberts, E. H. (1976). Food production and consumption. New York: American Elsevier.

Citación estilo Chicago

Duckham, A. N., J. G. W. Jones, y E. H. Roberts. Food Production and Consumption. New York: American Elsevier, 1976.

Cita MLA

Duckham, A. N., J. G. W. Jones, y E. H. Roberts. Food Production and Consumption. New York: American Elsevier, 1976.