(1991). Caring for the earth. IUCN-International Union for Conservation of Nature and natural - The World Conservation Union.
Chicago Style (17th ed.) CitationCaring for the Earth. UK: IUCN-International Union for Conservation of Nature and natural - The World Conservation Union, 1991.
MLA (9th ed.) CitationCaring for the Earth. IUCN-International Union for Conservation of Nature and natural - The World Conservation Union, 1991.
Warning: These citations may not always be 100% accurate.