APA-viite (7. p.)

Ward, B., & Dubos, R. (1972). Only one earth : the care and maintenance of a small planet: The care and maintenance of a small planet. Andre Deutsch.

Chicago-viite (17. p.)

Ward, Barbara, ja Rene Dubos. Only One Earth : The Care and Maintenance of a Small Planet: The Care and Maintenance of a Small Planet. London: Andre Deutsch, 1972.

MLA-viite (9. p.)

Ward, Barbara, ja Rene Dubos. Only One Earth : The Care and Maintenance of a Small Planet: The Care and Maintenance of a Small Planet. Andre Deutsch, 1972.