APA (7th ed.) Citation

United Nations. Department of Economic and Social Affairs. (1970). Variables and questionnaire for comparative fertility surveys. [s.n.].

Chicago Style (17th ed.) Citation

United Nations. Department of Economic and Social Affairs. Variables and Questionnaire for Comparative Fertility Surveys. New York: [s.n.], 1970.

MLA (9th ed.) Citation

United Nations. Department of Economic and Social Affairs. Variables and Questionnaire for Comparative Fertility Surveys. [s.n.], 1970.