APA (7th ed.) Citation

United Nations Environment Programme. (1991). Desertification control bulletin. UNEP.

Chicago Style (17th ed.) Citation

United Nations Environment Programme. Desertification Control Bulletin. Nairobi: UNEP, 1991.

MLA (8th ed.) Citation

United Nations Environment Programme. Desertification Control Bulletin. UNEP, 1991.

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