Cita APA

Seckler, D., Amarasinghe, U., Molden, D., de Silva, R., & Barker, R. (1998). World water demand and supply, 1990 to 2025: Scenarios and iáues. Colombo (Sri Lanka):.

Citación estilo Chicago

Seckler, David, Upali Amarasinghe, David Molden, Radhika de Silva, y Randolph Barker. World Water Demand and Supply, 1990 to 2025: Scenarios and Iáues. Colombo (Sri Lanka):, 1998.

Cita MLA

Seckler, David, et al. World Water Demand and Supply, 1990 to 2025: Scenarios and Iáues. Colombo (Sri Lanka):, 1998.