United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil). (1992). Earth summit: Press summary of agenda 21. United Nations.
Chicago Style (17th ed.) CitationUnited Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil). Earth Summit: Press Summary of Agenda 21. New York: United Nations, 1992.
MLA (9th ed.) CitationUnited Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil). Earth Summit: Press Summary of Agenda 21. United Nations, 1992.
Warning: These citations may not always be 100% accurate.