Darwin, C., Barrett, P. H., & Freeman, R. B. (1989). The power of movement in plants. Pickering.
Cita Chicago Style (17a ed.)Darwin, Charles, Paul H. Barrett, y R. B. Freeman. The Power of Movement in Plants. London: Pickering, 1989.
Cita MLA (8a ed.)Darwin, Charles, et al. The Power of Movement in Plants. Pickering, 1989.
Precaución: Estas citas no son 100% exactas.