citHeader(
  paste(
    "NSCA estimates necessity with the NCA engine and sufficiency with SCAtools.",
    "Please cite NSCA, the two packages it delegates to, and the underlying NCA method."
  )
)

# The version is read from DESCRIPTION so that this file cannot fall behind the
# package.
bibentry(
  bibtype = "Manual",
  title   = "NSCA: Necessary and Sufficient Condition Analysis",
  author  = person("Young", "Chan"),
  year    = "2026",
  note    = paste("R package version", meta$Version)
)

bibentry(
  bibtype = "Manual",
  title   = "SCAtools: Direction-Aware Sufficiency Condition Analysis",
  author  = person("Young", "Chan"),
  year    = "2026",
  note    = "R package"
)

bibentry(
  bibtype = "Article",
  title = "Necessary Condition Analysis (NCA): Logic and Methodology of 'Necessary but Not Sufficient' Causality",
  author = person("Jan", "Dul"),
  journal = "Organizational Research Methods",
  year = "2016",
  volume = "19",
  number = "1",
  pages = "10--52",
  doi = "10.1177/1094428115584005"
)
