Cita APA (7a ed.)

Food and Agriculture Organization of the United Nations. (1981). Water: Where water comes from. FAO of the United Nations.

Cita Chicago Style (17a ed.)

Food and Agriculture Organization of the United Nations. Water: Where Water Comes from. Rome: FAO of the United Nations, 1981.

Cita MLA (9a ed.)

Food and Agriculture Organization of the United Nations. Water: Where Water Comes from. FAO of the United Nations, 1981.