Cita APA (7a ed.)
Hall, C. A., & Holbrook, L. L. (2007). Introduction to the geology of southern California and its native plants. University of California Press.
Cita Chicago Style (17a ed.)
Hall, Clarence A., y Lauri L. Holbrook. Introduction to the Geology of Southern California and Its Native Plants. Berkeley: University of California Press, 2007.
Cita MLA (9a ed.)
Hall, Clarence A., y Lauri L. Holbrook. Introduction to the Geology of Southern California and Its Native Plants. University of California Press, 2007.
Precaución: Estas citas no son 100% exactas.