Cita APA (7a ed.)
Smakhtin, V. U., Revenga, C., & Döll, P. (2004). A pilot global assessment of environmental water requirements and scarcity.
Cita Chicago Style (17a ed.)
Smakhtin, Vladimir U., Carmen Revenga, y Petra Döll. A Pilot Global Assessment of Environmental Water Requirements and Scarcity. 2004.
Cita MLA (9a ed.)
Smakhtin, Vladimir U., et al. A Pilot Global Assessment of Environmental Water Requirements and Scarcity. 2004.
Precaución: Estas citas no son 100% exactas.