Cita APA (7th ed.)

Willis, J. C., & Shaw, H. K. A. (1966). A dictionary of the flowering plants and ferns (7th ed.). University Press.

Cita Chicago (17th ed.)

Willis, J. C., i Herbert Kenneth Airy Shaw. A Dictionary of the Flowering Plants and Ferns. 7th ed. Cambridge: University Press, 1966.

Cita MLA (8th ed.)

Willis, J. C., i Herbert Kenneth Airy Shaw. A Dictionary of the Flowering Plants and Ferns. 7th ed. University Press, 1966.