APA (7th ed.) Citation

Kohl, P. L., & Herrmann, J. (1988). Sumer and the Indus Valley Civilization Compared. Towards an Historical Understanding of the Evolution of Early States.

Chicago Style (17th ed.) Citation

Kohl, Philip L., and J. Herrmann. Sumer and the Indus Valley Civilization Compared. Towards an Historical Understanding of the Evolution of Early States. Berlin, 1988.

MLA (8th ed.) Citation

Kohl, Philip L., and J. Herrmann. Sumer and the Indus Valley Civilization Compared. Towards an Historical Understanding of the Evolution of Early States. 1988.