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)

citEntry(entry	= "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, ".")
         )
