citHeader("To cite pgt in publications use:")

bibentry(
  bibtype = "Manual",
  title   = "pgt: Data Envelopment Analysis for Pollution-Generating Technologies",
  author  = person("Erik", "Enstad"),
  year    = "2026",
  note    = sprintf("R package version %s", meta$Version),
  url     = "https://github.com/iik1/pgt",
  textVersion = sprintf(paste0(
    "Enstad, E. (2026). pgt: Data Envelopment Analysis for ",
    "Pollution-Generating Technologies. R package version %s. ",
    "https://github.com/iik1/pgt"), meta$Version)
)

citFooter(paste0(
  "Please also cite the methodological papers behind the estimators ",
  "you use; see the references in ?pgt."))
