APA (7th ed.) Citation

British Geological Survey & United Nations Environment Programme. Division of Early Warning and Assessment. (2003). Groundwater and its susceptibility to degradation: A global assessment of the problem and options for management. UNEP.

Chicago Style (17th ed.) Citation

British Geological Survey and United Nations Environment Programme. Division of Early Warning and Assessment. Groundwater and Its Susceptibility to Degradation: A Global Assessment of the Problem and Options for Management. Nairobi, Kenya: UNEP, 2003.

MLA (9th ed.) Citation

British Geological Survey and United Nations Environment Programme. Division of Early Warning and Assessment. Groundwater and Its Susceptibility to Degradation: A Global Assessment of the Problem and Options for Management. UNEP, 2003.