Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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