APA (7th ed.) Citation

Stewart, W. D. P. (1966). Nitrogen fixation in plants. University of London, Athlone Press; [distributed in the U.S.A. by Oxford University Press, New York].

Chicago Style (17th ed.) Citation

Stewart, W. D. P. Nitrogen Fixation in Plants. [London]: University of London, Athlone Press; [distributed in the U.S.A. by Oxford University Press, New York], 1966.

MLA (9th ed.) Citation

Stewart, W. D. P. Nitrogen Fixation in Plants. University of London, Athlone Press; [distributed in the U.S.A. by Oxford University Press, New York], 1966.