To cite 'forestinventory' in publications use:

Andreas Hill, Alexander Massey ( 2016 ) . forestinventory: Design-Based Global and Small-Area Estimations for Multiphase Forest Inventories. R package version 0.1.0

Corresponding BibTeX entry:

  @Manual{,
    title = {forestinventory: Design-Based Global and Small-Area
      Estimations for Multiphase Forest Inventories. R package version
      0.1.0},
    author = {Andreas Hill and Alexander Massey},
    year = {2016},
  }