APA (7th ed.) Citation

Yoffee, N., Sommerfeld, W., & Kessler, R. (2016). The Evolution of Fragility: The Resistible Rise and Irresistible Fall of Early States.

Chicago Style (17th ed.) Citation

Yoffee, Norman, W. Sommerfeld, and R. Kessler. The Evolution of Fragility: The Resistible Rise and Irresistible Fall of Early States. 2016.

MLA (8th ed.) Citation

Yoffee, Norman, et al. The Evolution of Fragility: The Resistible Rise and Irresistible Fall of Early States. 2016.