citHeader("To cite package 'GWRM' in publications use:")
     
     desc <- packageDescription("GWRM")
     year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", desc$Date)
     vers <- paste("R package version", desc$Version)
     
     citEntry(entry="Manual",
              title = "GWRM: Generalized Waring Regression Models",
              author = personList(as.person("Antonio Jose Saez-Castillo"),
                                  as.person("Jose Rodriguez-Avi"),
                                  as.person("Antonio Conde-Sanchez"),
                                  as.person("Maria Jose Olmo-Jimenez"),
                                  as.person("Ana Maria Martinez-Rodriguez")),
              year = 2009,
              note = 1.1,
     
              textVersion =
              paste("Antonio Jose Saez-Castillo, Jose Rodriguez-Avi, Antonio Conde-Sanchez, Maria Jose Olmo-Jimenez, Ana Maria Martinez-Rodriguez (",
                    year,
                    "). GWRM: Generalized Waring Regression Models. ",
                    vers, ".", sep=""))
