APA (7th ed.) Citation

Barbara Ward & Rene Dubos. (1972). Only One Earth: The Care and Maintenance of a Small Planet. Penguin Books Ltd.

Chicago Style (17th ed.) Citation

Barbara Ward and Rene Dubos. Only One Earth: The Care and Maintenance of a Small Planet. England: Penguin Books Ltd, 1972.

MLA (9th ed.) Citation

Barbara Ward and Rene Dubos. Only One Earth: The Care and Maintenance of a Small Planet. Penguin Books Ltd, 1972.

Warning: These citations may not always be 100% accurate.