Cita APA (7th ed.)

Singh, R. S. (1990). Plant Diseases (Sixth Edition.). Oxford & IBH Publishing Co. Pvt. Ltd..

Cita Chicago (17th ed.)

Singh, R. S. Plant Diseases. Sixth Edition. New Delhi: Oxford & IBH Publishing Co. Pvt. Ltd., 1990.

Cita MLA (9th ed.)

Singh, R. S. Plant Diseases. Sixth Edition. Oxford & IBH Publishing Co. Pvt. Ltd., 1990.