APA (7th ed.) Citation

Perkins, A. L. (1949). The Comparative Archaeology of Early Mesopotamia.

Chicago Style (17th ed.) Citation

Perkins, A. L. The Comparative Archaeology of Early Mesopotamia. 1949.

MLA (8th ed.) Citation

Perkins, A. L. The Comparative Archaeology of Early Mesopotamia. 1949.

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