citHeader("To cite CESER in publications use:")
citEntry(entry = "manual",
         title = "ceser: Cluster Estimated Standard Errors in R",
         author = personList(as.person("Diogo Ferrari"), as.person("John Jackson")),
         year = "2019",
         note = "R package version 0.0.0.9000",
         textVersion = paste("Ferrari, Diogo and Jackson, john", 
                             "(2019)",
                             "ceser: Cluster Estimated Standard Errors in R.",
                             "R package version 0.0.0.9000"
                             )
         )
