APA citiranje

Zehr, J. P., Mellon, M. T., & Zani, S. (1998). New Nitrogen-Fixing Microorganisms Detected in Oligotrophic Oceans by Amplification of Nitrogenase (nifH) Genes. American Society for Microbiology.

Citação norma Chicago

Zehr, Jonathan P., Mark T. Mellon, and Sabino Zani. New Nitrogen-Fixing Microorganisms Detected in Oligotrophic Oceans By Amplification of Nitrogenase (nifH) Genes. American Society for Microbiology, 1998.

MLA citiranje

Zehr, Jonathan P., Mark T. Mellon, and Sabino Zani. New Nitrogen-Fixing Microorganisms Detected in Oligotrophic Oceans By Amplification of Nitrogenase (nifH) Genes. American Society for Microbiology, 1998.