Gaya APA

Granhall, U. (1978). Environmental Role of Nitrogen-fixing Blue-green Algae and Asymbiotic Bacteria (Ecological Bulletins / NFR (Volume 26)). : Swedish Natural Science Research Council (NFR).

Gaya MLA

Granhall, Ulf. "Environmental Role of Nitrogen-fixing Blue-green Algae and Asymbiotic Bacteria". Ecological Bulletins / NFR (Volume 26) : Swedish Natural Science Research Council (NFR), 1978. Text.