citHeader("To cite package 'qualityTools' in publications use:")
     ## R >= 2.9.0 passes package metadata to citation().
     if(!exists("meta") || is.null(meta)) meta <- packageDescription("qualityTools")
     year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date)
     vers <- paste("R package version", meta$Version, "http://www.r-qualitytools.org")

citEntry(entry="Manual",
     title = "qualityTools: Statistics in Quality Science.",
     author = personList(as.person("Thomas Roth")),
     year = year,
     note = vers,
     url = "http://www.r-qualitytools.org",
     textVersion = paste("Thomas Roth (",year,"). qualityTools: Statistics in Quality Science.",vers, ".", sep=" "))