APA (7th ed.) Citation

Organisation for Economic Co-operation and Development. (1991). The State of the environment. Organisation for Economic Co-operation and Development.

Chicago Style (17th ed.) Citation

Organisation for Economic Co-operation and Development. The State of the Environment. Paris: Organisation for Economic Co-operation and Development, 1991.

MLA (9th ed.) Citation

Organisation for Economic Co-operation and Development. The State of the Environment. Organisation for Economic Co-operation and Development, 1991.

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