APA (7th ed.) Citation
Smakhtin, V. U., Revenga, C., & Döll, P. (2004). A pilot global assessment of environmental water requirements and scarcity.
Chicago Style (17th ed.) Citation
Smakhtin, Vladimir U., Carmen Revenga, and Petra Döll. A Pilot Global Assessment of Environmental Water Requirements and Scarcity. 2004.
MLA (9th ed.) Citation
Smakhtin, Vladimir U., et al. A Pilot Global Assessment of Environmental Water Requirements and Scarcity. 2004.
Warning: These citations may not always be 100% accurate.