Cita APA

Willis, K. J., & McElwain, J. (2014). The evolution of plants (Second edition.). Oxford University Press.

Citación estilo Chicago

Willis, K. J., and J.C McElwain. The Evolution of Plants. Second edition. Oxford: Oxford University Press, 2014.

Cita MLA

Willis, K. J., and J.C McElwain. The Evolution of Plants. Second edition. Oxford University Press, 2014.