Citazione Stile APA (7a Edizione)

Simpson, M. G. (2010). Plant systematics (2nd ed.). Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Simpson, Michael G. Plant Systematics. 2nd ed. London: Cambridge University Press, 2010.

Citatione MLA (9a ed.)

Simpson, Michael G. Plant Systematics. 2nd ed. Cambridge University Press, 2010.