van der Wusten, H. Symbols in political centres. Where they are and what they mean. Société Royale Belge de Géographie and the Belgian National Committee of Geography.
Chicago Style (17th ed.) Citationvan der Wusten, Herman. Symbols in Political Centres. Where They Are and What They Mean. Société Royale Belge de Géographie and the Belgian National Committee of Geography.
MLA (9th ed.) Citationvan der Wusten, Herman. Symbols in Political Centres. Where They Are and What They Mean. Société Royale Belge de Géographie and the Belgian National Committee of Geography.
Warning: These citations may not always be 100% accurate.