Cita APA

Sprent, J. L. (1979). Biology of nitrogen fixation. Mc Graw- Hill Book Company Inc.

Chicago Edition Citation

Sprent, Janet L. Biology of Nitrogen Fixation. London: Mc Graw- Hill Book Company Inc, 1979.

Cita MLA

Sprent, Janet L. Biology of Nitrogen Fixation. Mc Graw- Hill Book Company Inc, 1979.