Style de citation APA (7e éd.)

Öpik, H., Rolfe, S. A., Willis, A. J., & Street, H. E. (2005). The physiology of flowering plants (4th ed.). Cambridge University Press.

Style de citation Chicago (17e éd.)

Öpik, Helgi, Stephen A. Rolfe, A. J. Willis, et H. E. Street. The Physiology of Flowering Plants. 4th ed. Cambridge ; New York: Cambridge University Press, 2005.

Style de citation MLA (8e éd.)

Öpik, Helgi, et al. The Physiology of Flowering Plants. 4th ed. Cambridge University Press, 2005.