APA (7th ed.) Citation

United Nations. Dept. of Social Affairs. (1952). In-service training in social welfare. s.n.

Chicago Style (17th ed.) Citation

United Nations. Dept. of Social Affairs. In-service Training in Social Welfare. New York: s.n, 1952.

MLA (9th ed.) Citation

United Nations. Dept. of Social Affairs. In-service Training in Social Welfare. s.n, 1952.