APA (7th ed.) Citation

United Nations, United Nations. Advisory Committee for the Co-ordination of Information Systems, & International Environmental Information System (United Nations Environment Programme). Programme Activity Centre. (1988). ACCIS guide to United Nations information sources on the environment. United Nations.

Chicago Style (17th ed.) Citation

United Nations, United Nations. Advisory Committee for the Co-ordination of Information Systems, and International Environmental Information System (United Nations Environment Programme). Programme Activity Centre. ACCIS Guide to United Nations Information Sources on the Environment. New York: United Nations, 1988.

MLA (9th ed.) Citation

United Nations, et al. ACCIS Guide to United Nations Information Sources on the Environment. United Nations, 1988.