Lightfoot, K. G., Parrish, O., & Panich, L. M. (2009). California Indians and their environment: An introduction. University of California Press.

Lightfoot, Kent G., Otis Parrish, and Lee M. Panich. California Indians and Their Environment: An Introduction. Berkeley: University of California Press, 2009.

Lightfoot, Kent G., et al. California Indians and Their Environment: An Introduction. University of California Press, 2009.