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

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

citEntry(entry = "Manual",
         title = "nlme: Linear and Nonlinear Mixed Effects Models",
         author = personList(as.person("Jose Pinheiro"),
                             as.person("Douglas Bates"),
                             as.person("Saikat DebRoy"),
                             as.person("Deepayan Sarkar"),
                             person("R Core Team")),
         year = year,
         note = vers,

         textVersion =
         paste0("Jose Pinheiro, Douglas Bates, Saikat DebRoy, Deepayan Sarkar and the R Development Core Team (",
                year,
                "). nlme: Linear and Nonlinear Mixed Effects Models. ",
                vers, "."))

