APA (7th ed.) Citation

Schmandt-Besserat, D., & Alexander, S. M. (1975). The First Civilization. The Legacy of Sumer.

Chicago Style (17th ed.) Citation

Schmandt-Besserat, D., and S. M. Alexander. The First Civilization. The Legacy of Sumer. Austin, 1975.

MLA (8th ed.) Citation

Schmandt-Besserat, D., and S. M. Alexander. The First Civilization. The Legacy of Sumer. 1975.

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