एपीए उद्धरण

Ward, B. a. D., & Dubos, R. (1972). Only One Earth: The Care And Maintenace Of A Small. W.W. Norton & Co. Inc.

शिकागो स्टाइल उद्धरण

Ward, Barbara and Dubos, और Rene Dubos. Only One Earth: The Care And Maintenace Of A Small. New Work: W.W. Norton & Co. Inc, 1972.

एमएलए उद्धरण

Ward, Barbara and Dubos, और Rene Dubos. Only One Earth: The Care And Maintenace Of A Small. W.W. Norton & Co. Inc, 1972.