Cita APA (7a ed.)

Nutman, P. S. (1976). Symbiotic nitrogen fixation in plants. Cambridge University Press.

Cita Chicago Style (17a ed.)

Nutman, P. S. Symbiotic Nitrogen Fixation in Plants. Cambridge: Cambridge University Press, 1976.

Cita MLA (8a ed.)

Nutman, P. S. Symbiotic Nitrogen Fixation in Plants. Cambridge University Press, 1976.