APA引文

Howard, A. (1924). Crop-production in India: A critical survey of its problems. Oxford University Press.

Chicago Style (17th ed.) Citation

Howard, Albert. Crop-production in India: A Critical Survey of Its Problems. London: Oxford University Press, 1924.

MLA引文

Howard, Albert. Crop-production in India: A Critical Survey of Its Problems. Oxford University Press, 1924.