APA (7th ed.) Citation

Sousa, A. (2012). Irrigation and Civilization in the Land of the Twin Rivers.

Chicago Style (17th ed.) Citation

Sousa, Ahmed. Irrigation and Civilization in the Land of the Twin Rivers. Baghdad, 2012.

MLA (8th ed.) Citation

Sousa, Ahmed. Irrigation and Civilization in the Land of the Twin Rivers. 2012.

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