APA (7e ed.) Bronvermelding

Darwin, C., Barrett, P. H., & Freeman, R. B. (1989). The power of movement in plants. Pickering.

Chicago (17e ed.) Bronvermelding

Darwin, Charles, Paul H. Barrett, en R. B. Freeman. The Power of Movement in Plants. London: Pickering, 1989.

MLA (8e ed.) Bronvermelding

Darwin, Charles, et al. The Power of Movement in Plants. Pickering, 1989.