citHeader("When citing nhdR, please cite both the package and underlying data sources used:")

citEntry(entry = "Manual",
         author = personList(
           as.person("Joseph Stachelek")),
         title = "Tools for working with the National Hydrography Dataset",
         year = "2019",
         url = "https://cran.r-project.org/package=nhdR",
         textVersion = paste("Stachelek, J. (2019). Tools for working with the National Hydrography Dataset. R package version 0.5.2. https://cran.r-project.org/package=nhdR"))

citEntry(entry = "Manual",
         author = "USGS",
         title = "National Hydrography Dataset. Technical Report. United States
Geological Survey",
         year = "2019",
         url = "https://nhd.usgs.gov/",
         textVersion = paste("USGS. (2019) National Hydrography Dataset. Technical Report. United States
Geological Survey. https://nhd.usgs.gov"))
