Cita APA (7a ed.)

Willis, K. J., & McElwain, J. C. (2002). The evolution of plants. Oxford University Press.

Cita Chicago Style (17a ed.)

Willis, K. J., y J. C. McElwain. The Evolution of Plants. Oxford: Oxford University Press, 2002.

Cita MLA (9a ed.)

Willis, K. J., y J. C. McElwain. The Evolution of Plants. Oxford University Press, 2002.