APA引文

United Nations. Statistical Office. (1949). Population census handbook. [s.n.].

Chicago Style (17th ed.) Citation

United Nations. Statistical Office. Population Census Handbook. Lake Success, N. Y: [s.n.], 1949.

MLA引文

United Nations. Statistical Office. Population Census Handbook. [s.n.], 1949.

警告：這些引文格式不一定是100％准確.