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

  LeBauer D, Black C, Jaiswal D (2021). _PEcAn.BIOCRO: PEcAn Package
  for Integration of the BioCro Model_. R package version 1.7.2,
  <https://github.com/pecanproject/pecan>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PEcAn.BIOCRO: PEcAn Package for Integration of the BioCro Model},
    author = {David LeBauer and Chris Black and Deepak Jaiswal},
    year = {2021},
    note = {R package version 1.7.2},
    url = {https://github.com/pecanproject/pecan},
  }