APA (7th ed.) Zitazioa

Singh, R. (1978). Plant diseases. (4th ed.). Oxford & IBH.

Chicago Style (17th ed.) Zitazioa

Singh, R.S. Plant Diseases. 4th ed. New Delhi: Oxford & IBH, 1978.

MLA (9th ed.) Zitazioa

Singh, R.S. Plant Diseases. 4th ed. Oxford & IBH, 1978.