APA (7th ed.) Citation

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.) Citation

United 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.) Citation

United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil). Earth Summit: Press Summary of Agenda 21. United Nations, 1992.