To cite package ‘PEcAn.uncertainty’ in publications use:

  Dietze M, LeBauer D, Feng X, Wang D, Davidson C, Kooper R, Serbin S
  (2021). _PEcAn.uncertainty: PEcAn Functions Used for Propagating and
  Partitioning Uncertainties in Ecological Forecasts and Reanalysis_. R
  package version 1.7.2.9000, <https://github.com/pecanproject/pecan>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PEcAn.uncertainty: PEcAn Functions Used for Propagating and Partitioning
Uncertainties in Ecological Forecasts and Reanalysis},
    author = {Mike Dietze and David LeBauer and Xiaohui Feng and Dan Wang and Carl Davidson and Rob Kooper and Shawn Serbin},
    year = {2021},
    note = {R package version 1.7.2.9000},
    url = {https://github.com/pecanproject/pecan},
  }