APA Style
Stewart, W.D.P.. (1975).
Nitrigen fixation by free-living micro organisms .
Cambridge:
Cambridge Univ.Press.
Chicago Style
Stewart, W.D.P..
Nitrigen fixation by free-living micro organisms.
Cambridge:
Cambridge Univ.Press,
1975.
Hard Copy.
MLA Style
Stewart, W.D.P..
Nitrigen fixation by free-living micro organisms.
Cambridge:
Cambridge Univ.Press,
1975.
Hard Copy.
Turabian Style
Stewart, W.D.P..
Nitrigen fixation by free-living micro organisms.
Cambridge:
Cambridge Univ.Press,
1975.
Hard Copy.