{{cite web | url=http://www.europeana.eu/resolve/record/10106/9CD9D95807B135A51D7147183D4D3EB8E0218B0B|title=Aves Grallatores - plate 7|author=Reichenbach, H.G.L.|accessdate=2013-06-20 |publisher=Europeana}}

<ref>{{cite web | url=http://www.europeana.eu/resolve/record/10106/9CD9D95807B135A51D7147183D4D3EB8E0218B0B|title=Aves Grallatores - plate 7|author=Reichenbach, H.G.L.|accessdate=2013-06-20 |publisher=Europeana}}</ref>