Cita APA (7a ed.)

United Nations. Statistical Office. (1974). World energy supplies, 1969-1972. United Nations.

Cita Chicago Style (17a ed.)

United Nations. Statistical Office. World Energy Supplies, 1969-1972. New York: United Nations, 1974.

Cita MLA (9a ed.)

United Nations. Statistical Office. World Energy Supplies, 1969-1972. United Nations, 1974.