APA način citiranja

Willis, J. S. (1960). Dictionary of the flowering plants and ferns (6.). Cambridge University Press.

Čikaški stil citiranja

Willis, J S. Dictionary of the Flowering Plants and Ferns. 6. Cambridge: Cambridge University Press, 1960.

MLA način citiranja

Willis, J S. Dictionary of the Flowering Plants and Ferns. 6. Cambridge University Press, 1960.