APA (7th ed.) Citation

United Nations. Department of Technical Co-operation for Development. (1991). Ground water in western and central Europe. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department of Technical Co-operation for Development. Ground Water in Western and Central Europe. New York: United Nations, 1991.

MLA (9th ed.) Citation

United Nations. Department of Technical Co-operation for Development. Ground Water in Western and Central Europe. United Nations, 1991.

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