Raven, P. H., Evert, R. F., & Eichhorn, S. E. (1986). Biology of plants. Worth Pub.
Cita Chicago Style (17a ed.)Raven, Peter H., Ray Franklin Evert, y Susan E. Eichhorn. Biology of Plants. New York: Worth Pub, 1986.
Cita MLA (9a ed.)Raven, Peter H., et al. Biology of Plants. Worth Pub, 1986.
Precaución: Estas citas no son 100% exactas.