Willis K.J & McElwain, J. (2002). The evolution of plants. Oxford University Press.
Citación estilo ChicagoWillis K.J and J.C McElwain. The Evolution of Plants. New York: Oxford University Press, 2002.
Cita MLAWillis K.J and J.C McElwain. The Evolution of Plants. Oxford University Press, 2002.
Warning: These citations may not always be 100% accurate.