Παραπομπή APA

Smith, R. V., & Evans, M. C. W. (1971). Nitrogenase Activity in Cell-Free Extracts of the Blue-Green Alga, Anabaena cylindrica.

Παραπομπή Chicago Style

Smith, R. V., και M. C. W. Evans. Nitrogenase Activity in Cell-Free Extracts of the Blue-Green Alga, Anabaena Cylindrica. 1971.

Παραπομπή MLA

Smith, R. V., και M. C. W. Evans. Nitrogenase Activity in Cell-Free Extracts of the Blue-Green Alga, Anabaena Cylindrica. 1971.

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