APA (7th ed.) Citation

(1994). Environmental problem solving with geographic information systems: 1994 and 1999 conference proceedings. U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Environmental Problem Solving with Geographic Information Systems: 1994 and 1999 Conference Proceedings. Cincinnati, OH: U.S. Environmental Protection Agency, 1994.

MLA (9th ed.) Citation

Environmental Problem Solving with Geographic Information Systems: 1994 and 1999 Conference Proceedings. U.S. Environmental Protection Agency, 1994.