APA引文

Stewart, W. D. P. (1975). Nitrogen fixation by free- living micro organisms. Cambridge University Press.

Chicago Edition Citation

Stewart, W. D. P. Nitrogen Fixation by Free- Living Micro Organisms. London: Cambridge University Press, 1975.

MLA引文

Stewart, W. D. P. Nitrogen Fixation by Free- Living Micro Organisms. Cambridge University Press, 1975.

警告：這些引文格式不一定是100％准確.