Literaturverzeichnis DOI Ausgabe uneinheitlich

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@article{Cook.2006,
  author       = {Cook, R. James},
  year         = {2006},
  title        = {From the Academy: Colloquium Perspective.
                  Toward Cropping Systems that Enhance Productivity and Sustainability},
  pages        = {18389--18394},
  volume       = {103},
  issn         = {0027-8424},
  journaltitle = {Proceedings of the National Academy of Sciences
                  of the United States of America},
  doi          = {10.1073/pnas.0605946103},
  number       = {49},
  eprint       = {17130454},
}
@article{Tamburini.2020,
  author       = {Tamburini, Giovanni and Bommarco, Riccardo
                  and Wanger, Thomas Cherico and Kremen, Claire
                  and {van der Heijden}, Marcel G. A.
                  and Liebman, Matt and Hallin, Sara},
  year         = {2020},
  title        = {Agricultural Diversification Promotes
                  Multiple Ecosystem Services without
                  Compromising Yield},
  volume       = {6},
  journaltitle = {Science advances},
  doi          = {10.1126/sciadv.aba1715},
  number       = {45},
  eid          = {eaba1715},
}
@article{FarreArmengol.2017,
  author       = {Farré-Armengol, Gerard and Filella, Iolanda
                  and Llusià, Joan and Peñuelas, Josep},
  year         = {2017},
  title        = {\textgreek{b}-Ocimene, a Key Floral
                  and Foliar Volatile Involved in Multiple Interactions
                  between Plants and Other Organisms},
  volume       = {22},
  journaltitle = {Molecules},
  doi          = {10.3390/molecules22071148},
  number       = {7},
  eid          = {1148},
}
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\begin{document}
Lorem ipsum\autocite{Cook.2006}
dolor\autocite{FarreArmengol.2017}
sit\autocite{Tamburini.2020}

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\end{document}