Cita APA

United Nations. Office of Public Information. (1965). Landmarks in international co-operation: International Co-operation Year, 1965. s. n.

Citación estilo Chicago

United Nations. Office of Public Information. Landmarks in International Co-operation: International Co-operation Year, 1965. New York: s. n, 1965.

Cita MLA

United Nations. Office of Public Information. Landmarks in International Co-operation: International Co-operation Year, 1965. s. n, 1965.