Cita APA (7th ed.)

Gupta, U. S. (1992). Crop improvement: Volume 1 : physiological attributes. Oxford & IBH Publishing Co..

Cita Chicago (17th ed.)

Gupta, U. S. Crop Improvement: Volume 1 : Physiological Attributes. New Delhi: Oxford & IBH Publishing Co., 1992.

Cita MLA (9th ed.)

Gupta, U. S. Crop Improvement: Volume 1 : Physiological Attributes. Oxford & IBH Publishing Co., 1992.