APA (7e ed.) Bronvermelding

Smith, J. P., & Simpson, K. (2014). Field guide to grasses of California. University of California Press.

Chicago (17e ed.) Bronvermelding

Smith, James P., en Kathy Simpson. Field Guide to Grasses of California. Oakland, California: University of California Press, 2014.

MLA (9e ed.) Bronvermelding

Smith, James P., en Kathy Simpson. Field Guide to Grasses of California. University of California Press, 2014.