To cite amerifluxr in publications use:

Chu and Hufkens (2021). The amerifluxr package: An interface with AmeriFlux data services, v1.0.0. https://doi.org/10.11578/dc.20210730.2

Corresponding BibTeX entry:

  @Misc{,
    title = {The amerifluxr package: An interface with AmeriFlux data
      services},
    author = {Housen Chu and Koen Hufkens},
    year = {2021},
    doi = {10.11578/dc.20210730.2},
    url = {https://chuhousen.github.io/amerifluxr/},
  }