Cita APA (7a ed.)
Seckler, D., Silva, R. d., & Amarasinghe, U. A. (1997). The IIMI indicator of international water scarcity.
Cita Chicago Style (17a ed.)
Seckler, D., R. de Silva, y Upali A. Amarasinghe. The IIMI Indicator of International Water Scarcity. 1997.
Cita MLA (9a ed.)
Seckler, D., et al. The IIMI Indicator of International Water Scarcity. 1997.
Precaución: Estas citas no son 100% exactas.