Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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