APA (7th ed.) Citation

United Nations. Statistical Office. (1949). The preparation of sampling survey reports.

Chicago Style (17th ed.) Citation

United Nations. Statistical Office. The Preparation of Sampling Survey Reports. New York, 1949.

MLA (9th ed.) Citation

United Nations. Statistical Office. The Preparation of Sampling Survey Reports. 1949.

Warning: These citations may not always be 100% accurate.