APA

UNESCO/FAO Working Group on the International Hydrological Decade, Food and Agriculture Organization of the United Nations. Land and Water Development Division & Unesco. (1973). Man's influence on the hydrological cycle. Rome: Water Resources and Development Service, Land and Water Development Division, Food and Agriculture Organization of the United Nations.

Chicago

UNESCO/FAO Working Group on the International Hydrological Decade, Food and Agriculture Organization of the United Nations. Land and Water Development Division and Unesco. 1973. Man's influence on the hydrological cycle. Rome: Water Resources and Development Service, Land and Water Development Division, Food and Agriculture Organization of the United Nations.

Harvard

UNESCO/FAO Working Group on the International Hydrological Decade, Food and Agriculture Organization of the United Nations. Land and Water Development Division and Unesco. (1973). Man's influence on the hydrological cycle. Rome: Water Resources and Development Service, Land and Water Development Division, Food and Agriculture Organization of the United Nations.

MLA

UNESCO/FAO Working Group on the International Hydrological Decade, Food and Agriculture Organization of the United Nations. Land and Water Development Division and Unesco. Man's influence on the hydrological cycle. Rome: Water Resources and Development Service, Land and Water Development Division, Food and Agriculture Organization of the United Nations. 1973.