
citHeader("To cite package 'GGtools' in publications use:")
     
     ## R >= 2.8.0 passes package metadata to citation().
     if(!exists("meta") || is.null(meta)) meta <- packageDescription("nlme")
     year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date)
     vers <- paste("R package version", meta$Version)
     
     citEntry(entry="Manual",
              title = "GGtools: Genetics of Gene Expression with Bioconductor",
              author = personList(as.person("Vincent J. Carey")),
              year = year,
              note = vers,
     
              textVersion =
              paste("Vincent J. Carey (",
                    year,
                    "). GGtools: Genetics of Gene Expression with Bioconductor. ",
                    vers, ".", sep=""))
