APA (7th ed.) Citation

Hallo, W. W., & Simpson, W. K. (1971). The Ancient Near East. A History.

Chicago Style (17th ed.) Citation

Hallo, William W., and William Kelly Simpson. The Ancient Near East. A History. New York/Chicago/San Francisco/Atlanta, 1971.

MLA (8th ed.) Citation

Hallo, William W., and William Kelly Simpson. The Ancient Near East. A History. 1971.