Smith, J. R. (1929). Tree crops: A permanent agriculture. Harcourt, Brace.
Citación estilo ChicagoSmith, J. Russell. Tree Crops: A Permanent Agriculture. New York: Harcourt, Brace, 1929.
Cita MLASmith, J. Russell. Tree Crops: A Permanent Agriculture. Harcourt, Brace, 1929.
Warning: These citations may not always be 100% accurate.