APA-referens (7:e uppl.)
Lightfoot, K. G., Parrish, O., & Panich, L. M. (2009). California Indians and their environment: An introduction. University of California Press.
Chicago-referens (17:e uppl.)
Lightfoot, Kent G., Otis Parrish, och Lee M. Panich. California Indians and Their Environment: An Introduction. Berkeley: University of California Press, 2009.
MLA-referens (9:e uppl.)
Lightfoot, Kent G., et al. California Indians and Their Environment: An Introduction. University of California Press, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.