Cita APA (7th ed.)

Niklas, K. J. (1997). The evolutionary biology of plants. University of Chicago Press.

Cita Chicago (17th ed.)

Niklas, Karl J. The Evolutionary Biology of Plants. Chicago: University of Chicago Press, 1997.

Cita MLA (9th ed.)

Niklas, Karl J. The Evolutionary Biology of Plants. University of Chicago Press, 1997.