Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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