APA (7th ed.) Citation

Dubey, R. (1993). A Textbook of biotechnology (4thed.). S. Chand.

Chicago Style (17th ed.) Citation

Dubey, R.C. A Textbook of Biotechnology. 4thed. New Delhi: S. Chand, 1993.

MLA (9th ed.) Citation

Dubey, R.C. A Textbook of Biotechnology. 4thed. S. Chand, 1993.