Cita APA (7th ed.)

Srivastava, P. C., & Gupta, U. C. (1996). Trace elements in crop production. Oxford & IBH Publishing Co. Pvt. Ltd..

Cita Chicago (17th ed.)

Srivastava, P. C., i U. C. Gupta. Trace Elements in Crop Production. New Delhi: Oxford & IBH Publishing Co. Pvt. Ltd., 1996.

Cita MLA (9th ed.)

Srivastava, P. C., i U. C. Gupta. Trace Elements in Crop Production. Oxford & IBH Publishing Co. Pvt. Ltd., 1996.