diff --git a/chapter/layer3.tex b/chapter/layer3.tex
index 23eba4a..24d1359 100644
--- a/chapter/layer3.tex
+++ b/chapter/layer3.tex
@@ -53,7 +53,8 @@ the \gls{ietf} and the \gls{iso} organizations receptively.\cite{Theendle83:onli
 
 \subsection{Algorithm}
 
-The protocol uses Dijkstra\tsq{s} algorithm when calculating metrics mathematically.
+The protocol uses Dijkstra\tsq{s} algorithm when calculating metrics 
+mathematically.\cite{wiki:Dijkstra's_algorithm}
 
 The exchange of routing updates is done with \gls{ospf} own method. Directly
 using IP protocol 89 and multicast address 224.0.0.5 for link-local updates and
diff --git a/references-wikipedia.bib b/references-wikipedia.bib
index 5b0d37c..182f85c 100644
--- a/references-wikipedia.bib
+++ b/references-wikipedia.bib
@@ -112,4 +112,13 @@
     year = "2017",
     howpublished = {\url{http://en.wikipedia.org/w/index.php?title=Enhanced\%20Interior\%20Gateway\%20Routing\%20Protocol&oldid=800921738}},
     note = "[Online; accessed 18-September-2017]"
+}
+
+@misc{wiki:Dijkstra's_algorithm,
+    author = "Wikipedia",
+    title = "{Dijkstra's algorithm} --- {W}ikipedia{,} The Free Encyclopedia",
+    year = "2018",
+    howpublished = 
+    {\url{http://en.wikipedia.org/w/index.php?title=Dijkstra's\%20algorithm&oldid=825277818}},
+    note = "[Online; accessed 18-February-2018]"
 }
\ No newline at end of file