To cite amerifluxr in publications use:

Chu H, Hufkens K (2021). “The amerifluxr package: An interface with AmeriFlux data services.” doi:10.11578/dc.20210730.2, https://chuhousen.github.io/amerifluxr/.

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/},
  }