APA (7th ed.) Citation

Thomas, R. G. (1973). Groundwater models. Food and Agricultural Organization of the United Nations.

Chicago Style (17th ed.) Citation

Thomas, R. G. Groundwater Models. Rome: Food and Agricultural Organization of the United Nations, 1973.

MLA (8th ed.) Citation

Thomas, R. G. Groundwater Models. Food and Agricultural Organization of the United Nations, 1973.

Warning: These citations may not always be 100% accurate.