APA (7th ed.) Citation

Burns, R. C., & Hardy, R. W. F. (1975). Nitrogen fixation in bacteria and higher plants. Springer-Verlag.

Chicago Style (17th ed.) Citation

Burns, Richard C., and Ralph W. F. Hardy. Nitrogen Fixation in Bacteria and Higher Plants. Berlin: Springer-Verlag, 1975.

MLA (9th ed.) Citation

Burns, Richard C., and Ralph W. F. Hardy. Nitrogen Fixation in Bacteria and Higher Plants. Springer-Verlag, 1975.