Cita APA (7th ed.)

Singh, R. S. (1990). Plant Diseases (6th ed.). Oxford & IBH Publishing Co. Pvt. Ltd..

Cita Chicago (17th ed.)

Singh, R. S. Plant Diseases. 6th ed. New Delhi: Oxford & IBH Publishing Co. Pvt. Ltd., 1990.

Cita MLA (9th ed.)

Singh, R. S. Plant Diseases. 6th ed. Oxford & IBH Publishing Co. Pvt. Ltd., 1990.