diff --git a/inst/CITATION b/inst/CITATION
index 4e67472c24c1fe33f49aef2d10a931426e08e332..cc4eb867b38a962a3f59e38df961abb69b80c8d5 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -5,7 +5,7 @@ bibentry(bibtype = "InBook",
               as.person("Robert M. Hirsch"),
               as.person("Laura A. De Cicco")),
   title = "User guide to Exploration and Graphics for RivEr Trends (EGRET) and dataRetrieval: R packages for hydrologic data",
-  publisher = "U.S. Geological Survey",
+
   address="Reston, VA",
   booktitle = "Techniques and Methods",
   institution = "U.S. Geological Survey",