APA (7th ed.) Citation

Yoffee, N. (1988). The Collapse of Ancient States and Civilizations.

Chicago Style (17th ed.) Citation

Yoffee, Norman. The Collapse of Ancient States and Civilizations. Tucson, AZ, 1988.

MLA (8th ed.) Citation

Yoffee, Norman. The Collapse of Ancient States and Civilizations. 1988.

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