Style de citation APA (7e éd.)

Programme, U. N. E., Fund, U. N. C., & Division, S. (1990). Children and the Environment - The State of the Environment 1990.

Style de citation Chicago (17e éd.)

Programme, United Nations Environment, United Nations Children's Fund, et Science Division. Children and the Environment - The State of the Environment 1990. 1990.

Style de citation MLA (8e éd.)

Programme, United Nations Environment, et al. Children and the Environment - The State of the Environment 1990. 1990.

Style de citation IICA/CATIE

Programme, U. N. E., Fund, U. N. C., ; Division, S. 1990. Children and the Environment - The State of the Environment 1990.