APA Edition Citation

Hardy R W F, G. A. H. (1977). Treatise on dinitrogen fixation: Section IV:agronomyand ecology. John Wiley & Sons INC.

Chicago Edition Citation

Hardy R W F, Gibson A H. Treatise on Dinitrogen Fixation: Section IV:agronomyand Ecology. Newyork: John Wiley & Sons INC, 1977.

MLA Edition Citation

Hardy R W F, Gibson A H. Treatise on Dinitrogen Fixation: Section IV:agronomyand Ecology. John Wiley & Sons INC, 1977.