APA (7th ed.) Citation

Willis, J. C., & Shaw, H. K. A. (1973). A dictionary of the flowering plants and ferns (8th ed.). University Press.

Chicago Style (17th ed.) Citation

Willis, J. C., and Herbert Kenneth Airy Shaw. A Dictionary of the Flowering Plants and Ferns. 8th ed. Cambridge [England]: University Press, 1973.

MLA (9th ed.) Citation

Willis, J. C., and Herbert Kenneth Airy Shaw. A Dictionary of the Flowering Plants and Ferns. 8th ed. University Press, 1973.