Nutman, P. S. (1976). Symbiotic nitrogen fixation in plants. Cambridge University Press.
芝加哥风格引文Nutman, P. S. Symbiotic Nitrogen Fixation in Plants. Cambridge [Eng.] ; New York: Cambridge University Press, 1976.
MLA引文Nutman, P. S. Symbiotic Nitrogen Fixation in Plants. Cambridge University Press, 1976.
警告：这些引文格式不一定是100％准确.