APA (7th ed.) Citation
Smith, J. P., & Simpson, K. (2014). Field guide to grasses of California. University of California Press.
Chicago Style (17th ed.) Citation
Smith, James P., and Kathy Simpson. Field Guide to Grasses of California. Oakland, California: University of California Press, 2014.
MLA (9th ed.) Citation
Smith, James P., and Kathy Simpson. Field Guide to Grasses of California. University of California Press, 2014.
Warning: These citations may not always be 100% accurate.