Citazione Stile APA (7a Edizione)

Chopra, S. L., & Kanwar, J. S. (1991). Analytical agricultural chemistry (4th ed.). Kalyani Publishers.

Citazione stile Chigago Style (17a edizione)

Chopra, S. L., e J. S. Kanwar. Analytical Agricultural Chemistry. 4th ed. New Delhi: Kalyani Publishers, 1991.

Citatione MLA (9a ed.)

Chopra, S. L., e J. S. Kanwar. Analytical Agricultural Chemistry. 4th ed. Kalyani Publishers, 1991.