node { shape: rounded; }

[ Pankow\n (Berlin) ] { border: double; }
[ Parsing ] { border: dashed; }
[ Pullach ] { border: dotted; }
[ Pullheim ] { border: bold; }

[ Pullach ] --> [ Parsing ]
[ Parsing ] --> [ Pankow\n (Berlin) ]
[ Pankow\n (Berlin) ] --> [ Pullheim ]
[ Pullheim ] --> [ Paderborn ]