APA (7th ed.) Citation

UN. (1990). Results of the sixth population inquiry among governments. UN.

Chicago Style (17th ed.) Citation

UN. Results of the Sixth Population Inquiry Among Governments. NY: UN, 1990.

MLA (8th ed.) Citation

UN. Results of the Sixth Population Inquiry Among Governments. UN, 1990.

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