APA (7th ed.) Citation

Bundesanstalt für Geowissenschaften und Rohstoffe & Unesco. (2008). Groundwater resources of the world (2nd ed; special ed.). BGR : UNESCO.

Chicago Style (17th ed.) Citation

Bundesanstalt für Geowissenschaften und Rohstoffe and Unesco. Groundwater Resources of the World. 2nd ed; special ed. Hannover [Germany] : Paris: BGR : UNESCO, 2008.

MLA (9th ed.) Citation

Bundesanstalt für Geowissenschaften und Rohstoffe and Unesco. Groundwater Resources of the World. 2nd ed; special ed. BGR : UNESCO, 2008.

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