citHeader("To cite the 'DCchoice' package in publications use:")

year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date, perl = TRUE)
vers <- paste("R package version", meta$Version)

citEntry(entry="Manual",
         title = "DCchoice: An R Package for Analyzing 
            Dichotomous Choice Contingent Valuation Data",
         author = c(as.person("Tomoaki Nakatani"),
                    as.person("Hideo Aizaki"),
                    as.person("Kazuo Sato")),
         year = year,
         note = vers,

         textVersion =
         paste("Tomoaki Nakatani, Hideo Aizaki, Kazuo Sato (", year, "). 
            DCchoice: An R Package for Analyzing 
            Dichotomous Choice Contingent Valuation Data. ",
               vers, ".", sep=""))

citEntry(
  entry     = "Book",
  title     = "Stated Preference Methods Using R",
  author    = "Hideo Aizaki and Tomoaki Nakatani and Kazuo Sato",
  year      = "2014",
  doi       = "10.1201/b17292",
  publisher = "CRC Press",

  textVersion =
  paste("Aizaki H, Nakatani T, Sato K (2014).",
        "Stated Preference Methods Using R.",
        "CRC Press.",
        "DOI https://doi.org/10.1201/b17292."))

