APA

United Nations. Department of Economic and Social Affairs, . (1971). 1970 : report on the world social situation. New York: Universidad de New York.

Chicago

United Nations. Department of Economic and Social Affairs, . 1971. 1970 : report on the world social situation. New York: Universidad de New York.

Harvard

United Nations. Department of Economic and Social Affairs, . (1971). 1970 : report on the world social situation. New York: Universidad de New York.

MLA

United Nations. Department of Economic and Social Affairs, . 1970 : report on the world social situation. New York: Universidad de New York. 1971.