Smith, J. P., & Simpson, K. (2014). Field guide to grasses of California. University of California Press.
Cita Chicago Style (17a ed.)Smith, James P., y Kathy Simpson. Field Guide to Grasses of California. Oakland, California: University of California Press, 2014.
Cita MLA (9a ed.)Smith, James P., y Kathy Simpson. Field Guide to Grasses of California. University of California Press, 2014.
Precaución: Estas citas no son 100% exactas.