Cita APA (7th ed.)

United Nations. Department of Economic and Social Affairs. (1971). A concise summary of the world population situation in 1970. [s.n.].

Cita Chicago (17th ed.)

United Nations. Department of Economic and Social Affairs. A Concise Summary of the World Population Situation in 1970. New York: [s.n.], 1971.

Cita MLA (9th ed.)

United Nations. Department of Economic and Social Affairs. A Concise Summary of the World Population Situation in 1970. [s.n.], 1971.