citHeader("To cite did2s in publications use:")

PKG <- "did2s"
vers <- paste("R package version", meta$Version)
# url <- paste0("https://CRAN.R-project.org/package=", PKG)

bibentry(
  bibtype = "Manual",
  title = "did2s: Two-Stage Difference-in-Differences Following Gardner (2021)",
  author = c(
    person("Kyle", "Butts",
      email = "kyle.butts@colorado.edu",
      role = c("aut", "cre")
    )
  ),
  year = 2021,
  url = "https://github.com/kylebutts/did2s/",
  textVersion = paste0(
    "Butts, Kyle (2021).  did2s: Two-Stage Difference-in-Differences Following Gardner (2021). ", vers, "."
  )
)
