Cita APA (7a ed.)

Carlson, P. S. (1980). The biology of crop productivity. Academic Press.

Cita Chicago Style (17a ed.)

Carlson, Peter S. The Biology of Crop Productivity. New York [etc.]: Academic Press, 1980.

Cita MLA (9a ed.)

Carlson, Peter S. The Biology of Crop Productivity. Academic Press, 1980.