APA (7th ed.) Citation

UNICEF & United Nations Environment Programme. (1990). Children and the environment. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

UNICEF and United Nations Environment Programme. Children and the Environment. Nairobi, Kenya: United Nations Environment Programme, 1990.

MLA (9th ed.) Citation

UNICEF and United Nations Environment Programme. Children and the Environment. United Nations Environment Programme, 1990.