Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.