APA Citatie

Ward,Barbara, & Dubos,Rene. (1972). Only one earth: The care and maintenance of a small planet. W W Norton and Company.

Chicago Style citaat

Ward,Barbara, en Dubos,Rene. Only One Earth: The Care and Maintenance of a Small Planet. New York: W W Norton and Company, 1972.

MLA citatie

Ward,Barbara, en Dubos,Rene. Only One Earth: The Care and Maintenance of a Small Planet. W W Norton and Company, 1972.

Let op: Deze citaties zijn niet altijd 100% accuraat.