Sustaining water : : population and the future of renewable water supplies.

MLA

Engelman, Robert, and Pamela LeRoy. Sustaining Water : Population and the Future of Renewable Water Supplies. Washington: Population Action International, 1993.

APA

Engelman, R., & LeRoy, P. (1993). Sustaining water : population and the future of renewable water supplies. Washington: Population Action International.

Chicago

Engelman, Robert, and Pamela LeRoy. Sustaining Water: Population and the Future of Renewable Water Supplies. Washington: Population Action International, 1993.