APA (7th ed.) Citation

Potts, D. T., Sommerfeld, W., & Kessler, R. (2016). Material Foundations of Early States.

Chicago Style (17th ed.) Citation

Potts, Daniel T., W. Sommerfeld, and R. Kessler. Material Foundations of Early States. 2016.

MLA (8th ed.) Citation

Potts, Daniel T., et al. Material Foundations of Early States. 2016.