From b5886802c470a41b778437873ca65150248fb348 Mon Sep 17 00:00:00 2001
From: Guangchuang Yu <guangchuangyu@gmail.com>
Date: Wed, 25 Jan 2017 07:37:29 +0800
Subject: [PATCH] Update CITATION (#1984)

2nd edition of the book
---
 inst/CITATION | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/inst/CITATION b/inst/CITATION
index 7d39367cb..686062339 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -4,8 +4,8 @@ citEntry(entry = "book",
   author = "Hadley Wickham",
   title = "ggplot2: Elegant Graphics for Data Analysis",
   publisher = "Springer-Verlag New York",
-  year = "2009",
-  isbn = "978-0-387-98140-6",
+  year = "2016",
+  isbn = "978-3-319-24277-4",
   url = "http://ggplot2.org",
-  textVersion = "H. Wickham. ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York, 2009."
+  textVersion = "H. Wickham. ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York, 2016."
 )