year <- sub("-.*", "", meta$Date)
note <- sprintf("R package version %s", meta$Version)

bibentry(bibtype = "Manual",
         title = "{spTest}: Hypothesis Tests of Isotropy and Symmetry",
         author = c(person("Zachary D.", "Weller"),
                    person("R Core Team")),
         year = 2015,
         url = "http://CRAN.R-project.org/package=spTest")