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

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

     citEntry(entry="Manual",
              title = "wq: Exploring water quality monitoring data",
              author = personList(as.person("Alan D. Jassby"),
                                  as.person("James E. Cloern")),
              year = year,
              note = vers,

              textVersion =
              paste("Alan D. Jassby and James E. Cloern (",
                    year,
                    "). wq: Some tools for exploring water quality monitoring data. ",
                    vers, ".", sep=""))
