APA (7th ed.) Citation

UN. (1990). World population policies: Oman to Zimbabwe. UN.

Chicago Style (17th ed.) Citation

UN. World Population Policies: Oman to Zimbabwe. New York: UN, 1990.

MLA (8th ed.) Citation

UN. World Population Policies: Oman to Zimbabwe. UN, 1990.

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