APA (7 वां संस्करण) प्रशस्ति पत्र
Smedshaug, C. A. (2010). Feeding the world in the 21st century: A historical analysis of agriculture and society. Anthem Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Smedshaug, Christian Anton. Feeding the World in the 21st Century: A Historical Analysis of Agriculture and Society. New York, New York: Anthem Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Smedshaug, Christian Anton. Feeding the World in the 21st Century: A Historical Analysis of Agriculture and Society. Anthem Press, 2010.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.