Cita APA

Stewart, W. (1975). Nitrogen fixation by freeliving micro organisms 1975. Cambridge uty Press.

Chicago Edition Citation

Stewart, Wdp. Nitrogen Fixation by Freeliving Micro Organisms 1975. London: Cambridge uty Press, 1975.

Cita MLA

Stewart, Wdp. Nitrogen Fixation by Freeliving Micro Organisms 1975. Cambridge uty Press, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.